208 publications

2019

• Shearer, P. M., & Buehler, J. (2019). Imaging upper-mantle structure under USArray using long-period reflection seismology. Journal of Geophysical Research-Solid Earth, 124(9), 9638-9652. doi: 10.1029/2019jb017326
• Schulte-Pelkum, V., Monsalve, G., Sheehan, A. F., Shearer, P., Wu, F., & Rajaure, S. (2019). Mantle earthquakes in the Himalayan collision zone. Geology, 47(9), 815-819. doi: 10.1130/g46378.1
• Ross, Z. E., Trugman, D. T., Hauksson, E., & Shearer, P. M. (2019). Searching for hidden earthquakes in Southern California. Science, 364(6442), 767-+. doi: 10.1126/science.aaw6888
• Shearer, P. M., Abercrombie, R. E., Trugman, D. T., & Wang, W. (2019). Comparing EGF methods for estimating corner frequency and stress drop from p wave spectra. Journal of Geophysical Research-Solid Earth, 124(4), 3966-3986. doi: 10.1029/2018jb016957
• Wang, W., & Shearer, P. M. (2019). An improved method to determine coda-Q, earthquake magnitude, and site amplification: Theory and application to Southern California. Journal of Geophysical Research-Solid Earth, 124(1), 578-598. doi: 10.1029/2018jb015961

2018

• Koper, K. D., Pankow, K. L., Pechmann, J. C., Hale, J. M., Burlacu, R., Yeck, W. L., ... Shearer, P. M. (2018). Afterslip enhanced aftershock activity during the 2017 earthquake sequence near Sulphur Peak, Idaho. Geophysical Research Letters, 45(11), 5352-5361. doi: 10.1029/2018gl078196
• Buehler, J. S., Mancinelli, N. J., & Shearer, P. M. (2018). S-to-Rayleigh Wave Scattering From the Continental Margin Observed at USArray. Geophysical Research Letters, 45(10), 4719-4724. doi: 10.1029/2017gl076812
• Trugman, D. T., & Shearer, P. M. (2018). Strong correlation between stress drop and peak ground acceleration for recent m 1-4 earthquakes in the San Francisco Bay Area. Bulletin of the Seismological Society of America, 108(2), 929-945. doi: 10.1785/0120170245
• Fan, W. Y., & Shearer, P. M. (2018). Coherent Seismic Arrivals in the P Wave Coda of the 2012 M(w)7.2 Sumatra Earthquake: Water Reverberations or an Early Aftershock?. Journal of Geophysical Research-Solid Earth, 123(4), 3147-3159. doi: 10.1002/2018jb015573

2017

• Fan, W. Y., Bassett, D., Jiang, J. L., Shearer, P. M., & Ji, C. (2017). Rupture evolution of the 2006 Java tsunami earthquake and the possible role of splay faults. Tectonophysics, 721, 143-150. doi: 10.1016/j.tecto.2017.10.003
• Fan, W. Y., & Shearer, P. M. (2017). Investigation of Backprojection Uncertainties With M6 Earthquakes. Journal of Geophysical Research-Solid Earth, 122(10), 7966-7986. doi: 10.1002/2017jb014495
• Trugman, D. T., Dougherty, S. L., Cochran, E. S., & Shearer, P. M. (2017). Source spectral properties of small to moderate earthquakes in southern Kansas. Journal of Geophysical Research: Solid Earth, n/a-n/a. doi: 10.1002/2017JB014649
• Wang, W., & Shearer, P. M. (2017). Using direct and coda wave envelopes to resolve the scattering and intrinsic attenuation structure of Southern California. Journal of Geophysical Research-Solid Earth, 122(9), 7236-7251. doi: 10.1002/2016jb013810
• Wei, S. S., & Shearer, P. M. (2017). A sporadic low-velocity layer atop the 410 km discontinuity beneath the Pacific Ocean. Journal of Geophysical Research-Solid Earth, 122(7), 5144-5159. doi: 10.1002/2017jb014100
• Matoza, R. S., Green, D. N., Le Pichon, A., Shearer, P. M., Fee, D., Mialle, P., & Ceranna, L. (2017). Automated detection and cataloging of global explosive volcanism using the International Monitoring System infrasound network. Journal of Geophysical Research-Solid Earth, 122(4), 2946-2971. doi: 10.1002/2016jb013356
• Trugman, D. T., & Shearer, P. M. (2017). Application of an improved spectral decomposition method to examine earthquake source scaling in Southern California. Journal of Geophysical Research-Solid Earth, 122(4), 2890-2910. doi: 10.1002/2017jb013971
• Trugman, D. T., & Shearer, P. M. (2017). GrowClust: A hierarchical clustering algorithm for relative earthquake relocation, with application to the Spanish Springs and Sheldon, Nevada, earthquake sequences. Seismological Research Letters. doi: 10.1785/0220160188
• Buehler, J. S., & Shearer, P. M. (2017). Uppermost mantle seismic velocity structure beneath USArray. Journal of Geophysical Research-Solid Earth, 122(1), 436-448. doi: 10.1002/2016jb013265

2016

• Buehler, J. S., & Shearer, P. M. (2016). Characterizing earthquake location uncertainty in North America using source-receiver reciprocity and USArray. Bulletin of the Seismological Society of America, 106(5), 2395-2401. doi: 10.1785/0120150173
• Denolle, M. A., & Shearer, P. M. (2016). New perspectives on self-similarity for shallow thrust earthquakes. Journal of Geophysical Research-Solid Earth, 121(9), 6533-6565. doi: 10.1002/2016jb013105
• Fan, W. Y., & Shearer, P. M. (2016). Local near instantaneously dynamically triggered aftershocks of large earthquakes. Science, 353(6304), 1133-1136. doi: 10.1126/science.aag0013
• Mancinelli, N., & Shearer, P. (2016). Scattered energy from a rough core-mantle boundary modeled by a Monte Carlo seismic particle method: Application to PKKP precursors. Geophysical Research Letters, 43(15), 7963-7972. doi: 10.1002/2016gl070286
• Fan, W. Y., Shearer, P. M., Ji, C., & Bassett, D. (2016). Multiple branching rupture of the 2009 Tonga-Samoa earthquake. Journal of Geophysical Research-Solid Earth, 121(8), 5809-5827. doi: 10.1002/2016jb012945
• Mancinelli, N., Shearer, P., & Liu, Q. Y. (2016). Constraints on the heterogeneity spectrum of Earth's upper mantle. Journal of Geophysical Research-Solid Earth, 121(5), 3703-3721. doi: 10.1002/2015jb012641
• Mai, P. M., Shearer, P., Ampuero, J. P., & Lay, T. (2016). Standards for documenting finite-fault earthquake rupture models. Seismological Research Letters, 87(3), 712-U292. doi: 10.1785/0220150204
• Zhang, Q., & Shearer, P. M. (2016). A new method to identify earthquake swarms applied to seismicity near the San Jacinto Fault, California. Geophysical Journal International, 205(2), 995-1005. doi: 10.1093/gji/ggw073
• Mancinelli, N., Shearer, P., & Thomas, C. (2016). On the frequency dependence and spatial coherence of PKP precursor amplitudes. Journal of Geophysical Research-Solid Earth, 121(3), 1873-1889. doi: 10.1002/2015jb012768
• Fan, W. Y., & Shearer, P. M. (2016). Fault interactions and triggering during the 10 January 2012 M-w 7.2 Sumatra earthquake. Geophysical Research Letters, 43(5), 1934-1942. doi: 10.1002/2016gl067785
• Melgar, D., Fan, W. Y., Riquelme, S., Geng, J. H., Liang, C. R., Fuentes, M., ... Fielding, E. J. (2016). Slip segmentation and slow rupture to the trench during the 2015, M(w)8.3 Illapel, Chile earthquake. Geophysical Research Letters, 43(3), 961-966. doi: 10.1002/2015gl067369
• Trugman, D. T., Shearer, P. M., Borsa, A. A., & Fialko, Y. (2016). A comparison of long-term changes in seismicity at The Geysers, Salton Sea, and Coso geothermal fields. Journal of Geophysical Research-Solid Earth, 121(1), 225-247. doi: 10.1002/2015jb012510

2015

• Lin, G. Q., Amelung, F., Shearer, P. M., & Okubo, P. G. (2015). Location and size of the shallow magma reservoir beneath Klauea caldera, constraints from near-source V-p/V-s ratios. Geophysical Research Letters, 42(20), 8349-8357. doi: 10.1002/2015gl065802
• Wang, W., & Shearer, P. M. (2015). No clear evidence for localized tidal periodicities in earthquakes in the central Japan region. Journal of Geophysical Research-Solid Earth, 120(9), 6317-6328. doi: 10.1002/2015jb011937
• Denolle, M. A., Fan, W. Y., & Shearer, P. M. (2015). Dynamics of the 2015 M7.8 Nepal earthquake. Geophysical Research Letters, 42(18), 7467-7475. doi: 10.1002/2015gl065336
• Matoza, R. S., Chouet, B. A., Dawson, P. B., Shearer, P. M., Haney, M. M., Waite, G. P., ... Mikesell, T. D. (2015). Source mechanism of small long-period events at Mount St. Helens in July 2005 using template matching, phase-weighted stacking, and full-waveform inversion. Journal of Geophysical Research-Solid Earth, 120(9), 6351-6364. doi: 10.1002/2015jb012279
• Zhan, Z. W., & Shearer, P. M. (2015). Possible seasonality in large deep-focus earthquakes. Geophysical Research Letters, 42(18), 7366-7373. doi: 10.1002/2015gl065088
• Buehler, J. S., & Shearer, P. M. (2015). T phase observations in global seismogram stacks. Geophysical Research Letters, 42(16), 6607-6613. doi: 10.1002/2015gl064721
• Fan, W. Y., & Shearer, P. M. (2015). Detailed rupture imaging of the 25 April 2015 Nepal earthquake using teleseismic P waves. Geophysical Research Letters, 42(14), 5744-5752. doi: 10.1002/2015gl064587
• Goebel, T. H. W., Hauksson, E., Shearer, P. M., & Ampuero, J. P. (2015). Stress-drop heterogeneity within tectonically complex regions: a case study of San Gorgonio Pass, southern California. Geophysical Journal International, 202(1), 514-528. doi: 10.1093/gji/ggv160
• Lin, G. Q., Shearer, P. M., Amelung, F., & Okubo, P. G. (2015). Seismic tomography of compressional wave attenuation structure for Klauea Volcano, Hawaii. Journal of Geophysical Research-Solid Earth, 120(4), 2510-2524. doi: 10.1002/2014jb011594
• Kaneko, Y., & Shearer, P. M. (2015). Variability of seismic source spectra, estimated stress drop, and radiated energy, derived fromcohesive-zonemodels of symmetrical and asymmetrical circular and elliptical ruptures. Journal of Geophysical Research-Solid Earth, 120(2), 1053-1079. doi: 10.1002/2014jb011642

2014

• Fan, W. Y., Shearer, P. M., & Gerstoft, P. (2014). Kinematic earthquake rupture inversion in the frequency domain. Geophysical Journal International, 199(2), 1138-1160. doi: 10.1093/gji/ggu319
• Uchide, T., Shearer, P. M., & Imanishi, K. (2014). Stress drop variations among small earthquakes before the 2011 Tohoku-oki, Japan, earthquake and implications for the main shock. Journal of Geophysical Research-Solid Earth, 119(9), 7164-7174. doi: 10.1002/2014jb010943
• Zhan, Z. W., Helmberger, D. V., Kanamori, H., & Shearer, P. M. (2014). Supershear rupture in a M-w 6.7 aftershock of the 2013 Sea of Okhotsk earthquake. Science, 345(6193), 204-207. doi: 10.1126/science.1252717
• Matoza, R. S., Shearer, P. M., & Okubo, P. G. (2014). High-precision relocation of long-period events beneath the summit region of Kilauea Volcano, Hawai'i, from 1986 to 2009. Geophysical Research Letters, 41(10), 3413-3421. doi: 10.1002/2014gl059819
• Lin, G. Q., Shearer, P. M., Matoza, R. S., Okubo, P. G., & Amelung, F. (2014). Three-dimensional seismic velocity structure of Mauna Loa and Kilauea volcanoes in Hawaii from local seismic tomography. Journal of Geophysical Research-Solid Earth, 119(5), 4377-4392. doi: 10.1002/2013jb010820
• Kaneko, Y., & Shearer, P. M. (2014). Seismic source spectra and estimated stress drop derived from cohesive-zone models of circular subshear rupture. Geophysical Journal International, 197(2), 1002-1015. doi: 10.1093/gji/ggu030
• Buehler, J. S., & Shearer, P. M. (2014). Anisotropy and Vp/Vs in the uppermost mantle beneath the western United States fromjoint analysis of Pn and Sn phases. Journal of Geophysical Research-Solid Earth, 119(2), 1200-1219. doi: 10.1002/2013jb010559

2013

• Buehler, J. S., & Shearer, P. M. (2013). Sn propagation in the Western United States from common midpoint stacks of USArray data. Geophysical Research Letters, 40(23), 6106-6111. doi: 10.1002/2013gl057680
• Mancinelli, N. J., & Shearer, P. M. (2013). Reconciling discrepancies among estimates of small-scale mantle heterogeneity from PKP precursors. Geophysical Journal International, 195(3), 1721-1729. doi: 10.1093/gji/ggt319
• Rychert, C. A., Laske, G., Harmon, N., & Shearer, P. M. (2013). Seismic imaging of melt in a displaced Hawaiian plume. Nature Geoscience, 6(8), 657-660. doi: 10.1038/ngeo1878
• Chen, X. W., & Shearer, P. M. (2013). California foreshock sequences suggest aseismic triggering process. Geophysical Research Letters, 40(11), 2602-2607. doi: 10.1002/grl.50444
• Matoza, R. S., Shearer, P. M., Lin, G. Q., Wolfe, C. J., & Okubo, P. G. (2013). Systematic relocation of seismicity on Hawaii Island from 1992 to 2009 using waveform cross correlation and cluster analysis. Journal of Geophysical Research-Solid Earth, 118(5), 2275-2288. doi: 10.1002/jgrb.50189
• Uchide, T., Yao, H. J., & Shearer, P. M. (2013). Spatio-temporal distribution of fault slip and high-frequency radiation of the 2010 El Mayor-Cucapah, Mexico earthquake. Journal of Geophysical Research-Solid Earth, 118(4), 1546-1555. doi: 10.1002/jgrb.50144
• Yao, H., Shearer, P. M., & Gerstoft, P. (2013). Compressive sensing of frequency-dependent seismic radiation from subduction zone megathrust ruptures. Proceedings of the National Academy of Sciences, 110(12), 4512-4517. doi: 10.1073/pnas.1212790110
• Kane, D. L., Shearer, P. M., Goertz-Allmann, B. P., & Vernon, F. L. (2013). Rupture directivity of small earthquakes at Parkfield. Journal of Geophysical Research-Solid Earth, 118(1), 212-221. doi: 10.1029/2012jb009675

2012

• Traer, J., Gerstoft, P., Bromirski, P. D., & Shearer, P. M. (2012). Microseisms and hum from ocean surface gravity waves. Journal of Geophysical Research-Solid Earth, 117(B11307). doi: 10.1029/2012jb009550
• Shearer, P. M. (2012). Space-time clustering of seismicity in California and the distance dependence of earthquake triggering. Journal of Geophysical Research-Solid Earth, 117.
• Buehler, J. S., & Shearer, P. M. (2012). Localized imaging of the uppermost mantle with USArray Pn data. Journal of Geophysical Research-Solid Earth, 117(B09305). doi: 10.1029/2012jb009433
• Yao, H. J., Shearer, P. M., & Gerstoft, P. (2012). Subevent location and rupture imaging using iterative backprojection for the 2011 Tohoku Mw 9.0 earthquake. Geophysical Journal International, 190(2), 1152-1168. doi: 10.1111/j.1365-246X.2012.05541.x
• Yang, W. Z., Hauksson, E., & Shearer, P. M. (2012). Computing a Large Refined Catalog of Focal Mechanisms for Southern California (1981-2010): Temporal Stability of the Style of Faulting. Bulletin of the Seismological Society of America, 102(3), 1179-1194. doi: 10.1785/0120110311
• Shearer, P. M. (2012). Self-similar earthquake triggering, Bath's law, and foreshock/aftershock magnitudes: Simulations, theory, and results for southern California. Journal of Geophysical Research-Solid Earth, 117(B06310). doi: 10.1029/2011jb008957
• Chen, X., Shearer, P. M., & Abercrombie, R. E. (2012). Spatial migration of earthquakes within seismic clusters in Southern California: Evidence for fluid diffusion. Journal of Geophysical Research-Solid Earth, 117(B04301). doi: 10.1029/2011jb008973
• Sumiejski, L. E., & Shearer, P. M. (2012). Temporal Stability of Coda Q(-1) in Southern California. Bulletin of the Seismological Society of America, 102(2), 873-877. doi: 10.1785/0120110181
• Shearer, P. M., & Stark, P. B. (2012). Global risk of big earthquakes has not recently increased. Proceedings of the National Academy of Sciences of the United States of America, 109(3), 717-721. doi: 10.1073/pnas.1118525109

2011

• Earle, P. S., Rost, S., Shearer, P. M., & Thomas, C. (2011). Scattered P ' P ' Waves Observed at Short Distances. Bulletin of the Seismological Society of America, 101(6), 2843-2854. doi: 10.1785/0120110157
• Yao, H. J., Gerstoft, P., Shearer, P. M., & Mecklenbrauker, C. (2011). Compressive sensing of the Tohoku-Oki Mw 9.0 earthquake: Frequency-dependent rupture modes. Geophysical Research Letters, 38(L20310). doi: 10.1029/2011gl049223
• Zhang, J., Gerstoft, P., Shearer, P. M., Yao, H. J., Vidale, J. E., Houston, H., & Ghosh, A. (2011). Cascadia tremor spectra: Low corner frequencies and earthquake-like high-frequency falloff. Geochemistry Geophysics Geosystems, 12(Q10007). doi: 10.1029/2011gc003759
• Chen, X., & Shearer, P. M. (2011). Comprehensive analysis of earthquake source spectra and swarms in the Salton Trough, California. Journal of Geophysical Research-Solid Earth, 116(B09309). doi: 10.1029/2011jb008263
• Rychert, C. A., & Shearer, P. M. (2011). Imaging the lithosphere-asthenosphere boundary beneath the Pacific using SS waveform modeling. Journal of Geophysical Research-Solid Earth, 116(B07307). doi: 10.1029/2010jb008070
• Kiser, E., Ishii, M., Langmuir, C. H., Shearer, P. M., & Hirose, H. (2011). Insights into the mechanism of intermediate-depth earthquakes from source properties as imaged by back projection of multiple seismic phases. Journal of Geophysical Research-Solid Earth, 116(B06310). doi: 10.1029/2010jb007831
• Chen, X., Shearer, P. M., Walter, F., & Fricker, H. A. (2011). Seventeen Antarctic seismic events detected by global surface waves and a possible link to calving events from satellite images. Journal of Geophysical Research-Solid Earth, 116(B06311). doi: 10.1029/2011jb008262
• Smith-Konter, B. R., Sandwell, D. T., & Shearer, P. (2011). Locking depths estimated from geodesy and seismology along the San Andreas Fault System: Implications for seismic moment release. Journal of Geophysical Research-Solid Earth, 116(B06401). doi: 10.1029/2010jb008117
• Shearer, P. M., Rychert, C. A., & Liu, Q. Y. (2011). On the visibility of the inner-core shear wave phase PKJKP at long periods. Geophysical Journal International, 185(3), 1379-1383. doi: 10.1111/j.1365-246X.2011.05011.x
• Castro, R. R., Valdes-Gonzalez, C., Shearer, P., Wong, V., Astiz, L., Vernon, F., ... Mendoza, A. (2011). The 3 August 2009 M-w 6.9 Canal de Ballenas Region, Gulf of California, Earthquake and Its Aftershocks. Bulletin of the Seismological Society of America, 101(3), 929-939. doi: 10.1785/0120100154
• Kane, D. L., Prieto, G. A., Vernon, F. L., & Shearer, P. M. (2011). Quantifying Seismic Source Parameter Uncertainties. Bulletin of the Seismological Society of America, 101(2), 535-543. doi: 10.1785/0120100166
• Yang, Z. H., Sheehan, A., & Shearer, P. (2011). Stress-induced upper crustal anisotropy in southern California. Journal of Geophysical Research-Solid Earth, 116(B02302). doi: 10.1029/2010jb007655

2010

• Rychert, C. A., Shearer, P. M., & Fischer, K. M. (2010). Scattered wave imaging of the lithosphere-asthenosphere boundary. Lithos, 120(1-2), 173-185. doi: 10.1016/j.lithos.2009.12.006
• Buehler, J. S., & Shearer, P. M. (2010). Pn tomography of the western United States using USArray. Journal of Geophysical Research-Solid Earth, 115(B09315). doi: 10.1029/2009jb006874
• Castro, R. R., Shearer, P. M., Astiz, L., Suter, M., Jacques-Ayala, C., & Vernon, F. (2010). The Long-Lasting Aftershock Series of the 3 May 1887 M-w 7.5 Sonora Earthquake in the Mexican Basin and Range Province. Bulletin of the Seismological Society of America, 100(3), 1153-1164. doi: 10.1785/0120090180
• Zhang, J., Gerstoft, P., & Shearer, P. M. (2010). Resolving P-wave travel-time anomalies using seismic array observations of oceanic storms. Earth and Planetary Science Letters, 292(3-4), 419-427. doi: 10.1016/j.epsl.2010.02.014
• Rychert, C. A., & Shearer, P. M. (2010). Resolving crustal thickness using SS waveform stacks. Geophysical Journal International, 180(3), 1128-1137. doi: 10.1111/j.1365-246X.2009.04497.x
• Lin, G. Q., Thurber, C. H., Zhang, H. J., Hauksson, E., Shearer, P. M., Waldhauser, F., ... Hardebeck, J. (2010). A California Statewide Three-Dimensional Seismic Velocity Model from Both Absolute and Differential Times. Bulletin of the Seismological Society of America, 100(1), 225-240. doi: 10.1785/0120090028
• Shearer, P., & Burgmann, R. (2010). Lessons Learned from the 2004 Sumatra-Andaman Megathrust Rupture. Annual Review of Earth and Planetary Sciences, Vol 38 (pp. 103-131). Palo Alto: Annual Reviews. doi: 10.1146/annurev-earth-040809-152537

2009

• Lin, G. Q., & Shearer, P. M. (2009). Evidence for water-filled cracks in earthquake source regions. Geophysical Research Letters, 36(L17315). doi: 10.1029/2009gl039098
• Zhang, J., Gerstoft, P., & Shearer, P. M. (2009). High-frequency P-wave seismic noise driven by ocean winds. Geophysical Research Letters, 36(L09302). doi: 10.1029/2009gl037761
• Cochran, E. S., Li, Y. G., Shearer, P. M., Barbot, S., Fialko, Y., & Vidale, J. E. (2009). Seismic and geodetic evidence for extensive, long-lived fault damage zones. Geology, 37(4), 315-318. doi: 10.1130/g25306a.1
• Rychert, C. A., & Shearer, P. M. (2009). A Global View of the Lithosphere-Asthenosphere Boundary. Science, 324(5926), 495-498. doi: 10.1126/science.1169754
• Walker, K. T., & Shearer, P. M. (2009). Illuminating the near-sonic rupture velocities of the intracontinental Kokoxili M-w 7.8 and Denali fault M-w 7.9 strike-slip earthquakes with global P wave back projection imaging. Journal of Geophysical Research-Solid Earth, 114(B02304). doi: 10.1029/2008jb005738
• Shearer, P. M., & Lin, G. Q. (2009). Evidence for Mogi doughnut behavior in seismicity preceding small earthquakes in southern California. Journal of Geophysical Research-Solid Earth, 114(B01318). doi: 10.1029/2008jb005982
• Allmann, B. P., & Shearer, P. M. (2009). Global variations of stress drop for moderate to large earthquakes. Journal of Geophysical Research-Solid Earth, 114(B01310). doi: 10.1029/2008jb005821
• Shearer, P. M. (2009). Introduction to seismology. Cambridge; New York: Cambridge University Press.

2008

• Oki, S., & Shearer, P. M. (2008). Mantle Q structure from S-P differential attenuation measurements. Journal of Geophysical Research-Solid Earth, 113(B12). doi: 10.1029/2007jb005567
• Gerstoft, P., Shearer, P. M., Harmon, N., & Zhang, J. (2008). Global P, PP, and PKP wave microseisms observed from distant storms. Geophysical Research Letters, 35(23). doi: 10.1029/2008gl036111
• Lin, G. Q., Shearer, P. M., & Hauksson, E. (2008). A search for temporal variations in station terms in Southern California from 1984 to 2002. Bulletin of the Seismological Society of America, 98(5), 2118-2132. doi: 10.1785/0120070243
• Walker, K. T., Zumberge, M. A., Hedlin, M. A. H., & Shearer, P. M. (2008). Methods for determining infrasound phase velocity direction with an array of line sensors. Journal of the Acoustical Society of America, 124(4), 2090-2099. doi: 10.1121/1.2968675
• Peng, Z. G., Koper, K. D., Vidale, J. E., Leyton, F., & Shearer, P. (2008). Inner-core fine-scale structure from scattered waves recorded by LASA. Journal of Geophysical Research-Solid Earth, 113(B9). doi: 10.1029/2007jb005412
• Allmann, B. R., Shearer, P. A., & Hauksson, E. (2008). Spectral discrimination between quarry blasts and earthquakes in southern California. Bulletin of the Seismological Society of America, 98(4), 2073-2079. doi: 10.1785/0120070215
• Houser, C., Masters, G., Shearer, P., & Laske, G. (2008). Shear and compressional velocity models of the mantle from cluster analysis of long-period waveforms. Geophysical Journal International, 174(1), 195-212. doi: 10.1111/j.1365-246X.2008.03763.x
• Houser, C., Masters, G., Flanagan, M., & Shearer, P. (2008). Determination and analysis of long-wavelength transition zone structure using SS precursors. Geophysical Journal International, 174(1), 178-194. doi: 10.1111/j.1365-246X.2008.03719.x
• Lawrence, J. F., & Shearer, P. M. (2008). Imaging mantle transition zone thickness with SdS-SS finite-frequency sensitivity kernels. Geophysical Journal International, 174(1), 143-158. doi: 10.1111/j.1365-246X.2007.03673.x
• Shearer, P. M., & Earle, P. S. (2008). Observing and Modeling Elastic Scattering in the Deep Earth. Advances in Geophysics, Vol 50: Earth Heterogeneity and Scattering Effects on Seismic Waves (pp. 167-193). San Diego: Elsevier Academic Press Inc. doi: 10.1016/s0065-2687(08)00006-x

2007

• Plesch, A., Shaw, J. H., Benson, C., Bryant, W. A., Carena, S., Cooke, M., ... Yeats, R. (2007). Community fault model (CFM) for southern California. Bulletin of the Seismological Society of America, 97(6), 1793-1802. doi: 10.1785/0120050211
• Lin, G. Q., Shearer, P. M., & Hauksson, E. (2007). Applying a three-dimensional velocity model, waveform cross correlation, and cluster analysis to locate southern California seismicity from 1981 to 2005. Journal of Geophysical Research-Solid Earth, 112(B12). doi: 10.1029/2007jb004986
• Ishii, M., Shearer, P. M., Houston, H., & Vidale, J. E. (2007). Teleseismic P wave imaging of the 26 December 2004 Sumatra-Andaman and 28 March 2005 Sumatra earthquake ruptures using the Hi-net array. Journal of Geophysical Research-Solid Earth, 112(B11). doi: 10.1029/2006jb004700
• Allmann, B. P., & Shearer, P. M. (2007). A high-frequency secondary event during the 2004 Parkfield earthquake. Science, 318(5854), 1279-1283. doi: 10.1126/science.1146537
• Lin, G., Shearer, P. M., Hauksson, E., & Thurber, C. H. (2007). A three-dimensional crustal seismic velocity model for southern California from a composite event method. Journal of Geophysical Research-Solid Earth, 112(B11). doi: 10.1029/2007jb004977
• Bulow, R. C., Johnson, C. L., Bills, B. G., & Shearer, P. M. (2007). Temporal and spatial properties of some deep moonquake clusters. Journal of Geophysical Research-Planets, 112(E9). doi: 10.1029/2006je002847
• Allmann, B. P., & Shearer, P. M. (2007). Spatial and temporal stress drop variations in small earthquakes near Parkfield, California. Journal of Geophysical Research-Solid Earth, 112(B4). doi: 10.1029/2006jb004395
• Lin, G. Q., & Shearer, P. (2007). Estimating local V-P/V-s ratios within similar earthquake clusters. Bulletin of the Seismological Society of America, 97(2), 379-388. doi: 10.1785/0120060115
• Guzofski, C. A., Shaw, J. H., Lin, G. Q., & Shearer, P. M. (2007). Seismically active wedge structure beneath the Coalinga anticline, San Joaquin basin, California. Journal of Geophysical Research-Solid Earth, 112(B3). doi: 10.1029/2006jb004465
• Prieto, G. A., Thomson, D. J., Vernon, F. L., Shearer, P. M., & Parker, R. L. (2007). Confidence intervals for earthquake source parameters. Geophysical Journal International, 168(3), 1227-1234. doi: 10.1111/j.1365-246X.2006.03257.x
• Shearer, P. M. (2007). Seismic scattering in the deep Earth. Treatise on geophysics (pp. 695-730). : Elsevier.

2006

• Cochran, E. S., & Shearer, P. M. (2006). Infrasound events detected with the Southern California Seismic Network. Geophysical Research Letters, 33(19). doi: 10.1029/2006gl026951
• Lawrence, J. F., & Shearer, P. M. (2006). Constraining seismic velocity and density for the mantle transition zone with reflected and transmitted waveforms. Geochemistry Geophysics Geosystems, 7(Q10012). doi: 10.1029/2006gc001339
• Vidale, J. E., Boyle, K. L., & Shearer, P. M. (2006). Crustal earthquake bursts in California and Japan: Their patterns and relation to volcanoes. Geophysical Research Letters, 33(20). doi: 10.1029/2006gl027723
• Lin, G. Q., & Shearer, P. (2006). The COMPLOC earthquake location package. Seismological Research Letters, 77(4), 440-444. doi: 10.1785/gssrl.77.4.440
• Lawrence, J. F., & Shearer, P. M. (2006). A global study of transition zone thickness using receiver functions. Journal of Geophysical Research-Solid Earth, 111(B6). doi: 10.1029/2005jb003973
• Shearer, P. M., Prieto, G. A., & Hauksson, E. (2006). Comprehensive analysis of earthquake source spectra in southern California. Journal of Geophysical Research-Solid Earth, 111(B6). doi: 10.1029/2005jb003979
• Vidale, J. E., & Shearer, P. M. (2006). A survey of 71 earthquake bursts across southern California: Exploring the role of pore fluid pressure fluctuations and aseismic slip as drivers. Journal of Geophysical Research-Solid Earth, 111(B5). doi: 10.1029/2005jb004034
• Hauksson, E., & Shearer, P. M. (2006). Attenuation models (Q(P) and Q(S)) in three dimensions of the southern California crust: Inferred fluid saturation at seismogenic depths. Journal of Geophysical Research-Solid Earth, 111(B5). doi: 10.1029/2005jb003947
• Lawrence, J. F., Shearer, P. M., & Masters, G. (2006). Mapping attenuation beneath North America using waveform cross-correlation and cluster analysis. Geophysical Research Letters, 33(7). doi: 10.1029/2006gl025813
• Lin, G. Q., Shearer, P., & Fialko, Y. (2006). Obtaining absolute locations for quarry seismicity using remote sensing data. Bulletin of the Seismological Society of America, 96(2), 722-728. doi: 10.1785/0120050146
• Warren, L. M., & Shearer, P. M. (2006). Systematic determination of earthquake rupture directivity and fault planes from analysis of long-period P-wave spectra. Geophysical Journal International, 164(1), 46-62. doi: 10.1111/j.1365-246X.2005.02769
• Prieto, G. A., Parker, R. L., Vernon, F. L., Shearer, P. M., & Thomson, D. J. (2006). Uncertainties in earthquake source spectrum estimation using empirical Green functions. Earthquakes; radiated energy and the physics of faulting (pp. 69-74). Washington: American Geophysical Union. doi: 10.1029/170gm08

2005

• Walker, K. T., Ishii, M., & Shearer, P. M. (2005). Rupture details of the 28 March 2005 Sumatra Mw 8.6 earthquake imaged with teleseismic P waves. Geophysical Research Letters, 32(24). doi: 10.1029/2005gl024395
• Bulow, R. C., Johnson, C. L., & Shearer, P. M. (2005). New events discovered in the Apollo lunar seismic data. Journal of Geophysical Research-Planets, 110(E10). doi: 10.1029/2005je002414
• Ishii, M., Shearer, P. M., Houston, H., & Vidale, J. E. (2005). Extent, duration and speed of the 2004 Sumatra-Andaman earthquake imaged by the Hi-Net array. Nature, 435(7044), 933-936. doi: 10.1038/nature03675
• Shearer, P., Hauksson, E., & Lin, G. Q. (2005). Southern California hypocenter relocation with waveform cross-correlation, part 2: Results using source-specific station terms and cluster analysis. Bulletin of the Seismological Society of America, 95(3), 904-915. doi: 10.1785/01200401168
• Hauksson, E., & Shearer, P. (2005). Southern California hypocenter relocation with waveform cross-correlation, Part 1: Results using the double-difference method. Bulletin of the Seismological Society of America, 95(3), 896-903. doi: 10.1785/0120040167
• Lin, G. Q., & Shearer, P. (2005). Tests of relative earthquake location techniques using synthetic data. Journal of Geophysical Research-Solid Earth, 110(B4). doi: 10.1029/2004jb003380
• Warren, L. M., & Shearer, P. M. (2005). Using the effects of depth phases on P-wave spectra to determine earthquake depths. Bulletin of the Seismological Society of America, 95(1), 173-184. doi: 10.1785/0120030251

2004

• Shearer, P. M., & Earle, P. S. (2004). The global short-period wavefield modelled with a Monte Carlo seismic phonon method. Geophysical Journal International, 158(3), 1103-1117. doi: 10.1111/j.1365-246X.2004.02378.x
• Prieto, G. A., Shearer, P. M., Vernon, F. L., & Kilb, D. (2004). Earthquake source scaling and self-similarity estimation from stacking P and S spectra. Journal of Geophysical Research-Solid Earth, 109(B8). doi: 10.1029/2004jb003084
• Konter, J. G., Staudigel, H., Hart, S. R., & Shearer, P. M. (2004). Seafloor seismic monitoring of an active submarine volcano: Local seismicity at Vailulu'u Seamount, Samoa. Geochemistry Geophysics Geosystems, 5(Q06007). doi: 10.1029/2004gc000702
• Wolfe, C. J., Okubo, P. G., Ekstrom, G., Nettles, M., & Shearer, P. M. (2004). Characteristics of deep (<= 13 km) Hawaiian earthquakes and Hawaiian earthquakes west of 155.55 degrees W. Geochemistry Geophysics Geosystems, 5(Q04006). doi: 10.1029/2003gc000618
• Grant, L. B., & Shearer, P. M. (2004). Activity of the offshore Newport-Inglewood Rose Canyon fault zone, coastal southern California, from relocated microseismicity. Bulletin of the Seismological Society of America, 94(2), 747-752. doi: 10.1785/0120030149

2003

• Hardebeck, J. L., & Shearer, P. M. (2003). Using S/P amplitude ratios to constrain the focal mechanisms of small earthquakes. Bulletin of the Seismological Society of America, 93(6), 2434-2444. doi: 10.1785/0120020236
• Wolfe, C. J., Okubo, P. G., & Shearer, P. M. (2003). Mantle fault zone beneath Kilauea volcano, Hawaii. Science, 300(5618), 478-480. doi: 10.1126/science.1082205
• Shearer, P. M., Hardebeck, J. L., Astiz, L., & Richards-Dinger, K. B. (2003). Analysis of similar event clusters in aftershocks of the 1994 Northridge, California, earthquake. Journal of Geophysical Research-Solid Earth, 108(B1). doi: 10.1029/2001jb000685

2002

• Warren, L. M., & Shearer, P. M. (2002). Mapping lateral variations in upper mantle attenuation by stacking P and PP spectra. Journal of Geophysical Research-Solid Earth, 107(B12). doi: 10.1029/2001jb001195
• Fialko, Y., Sandwell, D., Agnew, D., Simons, M., Shearer, P., & Minster, B. (2002). Deformation on nearby faults induced by the 1999 Hector Mine earthquake. Science, 297(5588), 1858-1862. doi: 10.1126/science.1074671
• Hardebeck, J. L., & Shearer, P. M. (2002). A new method for determining first-motion focal mechanisms. Bulletin of the Seismological Society of America, 92(6), 2264-2276. doi: 10.1785/0120010200
• Shearer, P. M. (2002). Parallel fault strands at 9-km depth resolved on the Imperial Fault, Southern California. Geophysical Research Letters, 29(14). doi: 10.1029/2002gl015302
• Hedlin, M. A. H., & Shearer, P. M. (2002). Probing mid-mantle heterogeneity using PKP coda waves. Physics of the Earth and Planetary Interiors, 130(3-4), 195-208. doi: 10.1016/s0031-9201(02)00007-9

2001

• Earle, P. S., & Shearer, P. M. (2001). Distribution of fine-scale mantle heterogeneity from observations of P-diff coda. Bulletin of the Seismological Society of America, 91(6), 1875-1881. doi: 10.1785/0120000285
• Schulte-Pelkum, V., Masters, G., & Shearer, P. M. (2001). Upper mantle anisotropy from long-period P polarization. Journal of Geophysical Research-Solid Earth, 106(B10), 21917-21934. doi: 10.1029/2001jb000346
• Nikolaidis, R. M., Bock, Y., de Jonge, P. J., Shearer, P., Agnew, D. C., & Van Domselaar, M. (2001). Seismic wave observations with the Global Positioning System. Journal of Geophysical Research-Solid Earth, 106(B10), 21897-21916. doi: 10.1029/2001jb000329
• Shearer, P. M. (2001). Improving global seismic event locations using source-receiver reciprocity. Bulletin of the Seismological Society of America, 91(3), 594-603. doi: 10.1785/0120000238

2000

• Warren, L. M., & Shearer, P. M. (2000). Investigating the frequency dependence of mantle Q by stacking P and PP spectra. Journal of Geophysical Research-Solid Earth, 105(B11), 25391-25402. doi: 10.1029/2000jb900283
• Sheehan, A. F., Shearer, P. M., Gilbert, H. J., & Dueker, K. G. (2000). Seismic migration processing of P-SV converted phases for mantle discontinuity structure beneath the Snake River Plain, western United States. Journal of Geophysical Research-Solid Earth, 105(B8), 19055-19065. doi: 10.1029/2000jb900112
• Hedlin, M. A. H., & Shearer, P. M. (2000). An analysis of large-scale variations in small-scale mantle heterogeneity using Global Seismographic Network recordings of precursors to PKP. Journal of Geophysical Research-Solid Earth, 105(B6), 13655-13673. doi: 10.1029/2000jb900019
• Richards-Dinger, K. B., & Shearer, P. M. (2000). Earthquake locations in southern California obtained using source-specific station terms. Journal of Geophysical Research-Solid Earth, 105(B5), 10939-10960. doi: 10.1029/2000jb900014
• Astiz, L., & Shearer, P. M. (2000). Earthquake locations in the inner Continental Borderland, offshore southern California. Bulletin of the Seismological Society of America, 90(2), 425-449. doi: 10.1785/0119990022
• Astiz, L., Shearer, P. M., & Agnew, D. C. (2000). Precise relocations and stress change calculations for the upland earthquake sequence in southern California. Journal of Geophysical Research-Solid Earth, 105(B2), 2937-2953. doi: 10.1029/1999jb900336
• Shearer, P. M. (2000). Upper mantle seismic discontinuities. Earth's deep interior; mineral physics and tomography from the atomic to the global scale (pp. 115-131). : .

1999

• Shearer, P. M., & Flanagan, M. P. (1999). Seismic velocity and density jumps across the 410- and 660-kilometer discontinuities. Science, 285(5433), 1545-1548. doi: 10.1126/science.285.5433.1545
• Shearer, P. M., Flanagan, M. P., & Hedlin, M. A. H. (1999). Experiments in migration processing of SS precursor data to image upper mantle discontinuity structure. Journal of Geophysical Research-Solid Earth, 104(B4), 7229-7242. doi: 10.1029/1998jb900119
• Flanagan, M. P., & Shearer, P. M. (1999). A map of topography on the 410-km discontinuity from PP precursors. Geophysical Research Letters, 26(5), 549-552. doi: 10.1029/1999gl900036
• Shaw, J. H., & Shearer, P. M. (1999). An elusive blind-thrust fault beneath metropolitan Los Angeles. Science, 283(5407), 1516-1518. doi: 10.1126/science.283.5407.1516

1998

• Shearer, P. M. (1998). Evidence from a cluster of small earthquakes for a fault at 18 km depth beneath Oak Ridge, southern California. Bulletin of the Seismological Society of America, 88(6), 1327-1336.
• Flanagan, M. P., & Shearer, P. M. (1998). Topography on the 410-km seismic velocity discontinuity near subduction zones from stacking of sS, sP, and pP precursors. Journal of Geophysical Research-Solid Earth, 103(B9), 21165-21182. doi: 10.1029/98jb00595
• Flanagan, M. P., & Shearer, P. M. (1998). Global mapping of topography on transition zone velocity discontinuities by stacking SS precursors. Journal of Geophysical Research-Solid Earth, 103(B2), 2673-2692. doi: 10.1029/97jb03212
• Earle, P. S., & Shearer, P. M. (1998). Observations of high-frequency scattered energy associated with the core phase PKKP. Geophysical Research Letters, 25(3), 405-408. doi: 10.1029/97gl53365

1997

• Earle, P. S., & Shearer, P. M. (1997). Observations of PKKP precursors used to estimate small-scale topography on the core-mantle boundary. Science, 277(5326), 667-670. doi: 10.1126/science.277.5326.667
• RichardsDinger, K. B., & Shearer, P. M. (1997). Estimating crustal thickness in southern California by stacking PmP arrivals. Journal of Geophysical Research-Solid Earth, 102(B7), 15211-15224. doi: 10.1029/97jb00883
• Hedlin, M. A. H., Shearer, P. M., & Earle, P. S. (1997). Seismic evidence for small-scale heterogeneity throughout the Earth's mantle. Nature, 387(6629), 145-150. doi: 10.1038/387145a0
• Shearer, P. M. (1997). Improving local earthquake locations using the L1 norm and waveform cross correlation: Application to the Whittier Narrows, California, aftershock sequence. Journal of Geophysical Research-Solid Earth, 102(B4), 8269-8283. doi: 10.1029/96jb03228

1996

• Bhattacharyya, J., Masters, G., & Shearer, P. (1996). Global lateral variations of shear wave attenuation in the upper mantle. Journal of Geophysical Research-Solid Earth, 101(B10), 22273-22289. doi: 10.1029/96jb01782
• Shearer, P. M. (1996). Transition zone velocity gradients and the 520-km discontinuity. Journal of Geophysical Research-Solid Earth, 101(B2), 3053-3066. doi: 10.1029/95jb02812
• Astiz, L., Earle, P. S., & Shearer, P. (1996). Global Stacking of Broadband Seismograms. Seismological Research Letters, 67(4), 8-18.

1995

• Kendall, J. M., & Shearer, P. M. (1995). On the Structure of the Lowermost Mantle beneath the Southwest Pacific, Southeast-Asia and Australasia. Physics of the Earth and Planetary Interiors, 92(1-2), 85-98.
• Haase, J. S., Shearer, P. M., & Aster, R. C. (1995). Constraints on Temporal Variations in Velocity Near Anza, California, From Analysis of Similar Event Pairs. Bulletin of the Seismological Society of America, 85(1), 194-206.
• Masters, T. G., & Shearer, P. M. (1995). Seismic properties of the Earth: elastic and anelastic. Global earth physics : a handbook of physical constants (pp. 88-103). Washington, D.C.: American Geophysical Union.
• Shearer, P. M. (1995). Seismic Studies of the Upper-Mantle and Transition Zone. Reviews of Geophysics, 33, 321-324. doi: 10.1029/95rg00186

1994

• Shearer, P. M. (1994). Constraints on Inner-Core Anisotropy From PKP(F) Travel-Times. Journal of Geophysical Research-Solid Earth, 99(B10), 19647-19659. doi: 10.1029/94jb01470
• Shearer, P. M. (1994). Global Seismic Event Detection Using a Matched-Filter on Long-Period Seismograms. Journal of Geophysical Research-Solid Earth, 99(B7), 13713-13725. doi: 10.1029/94jb00498
• Kendall, J. M., & Shearer, P. M. (1994). Lateral Variations in D" Thickness From Long-Period Shear-Wave Data. Journal of Geophysical Research-Solid Earth, 99(B6), 11575-11590. doi: 10.1029/94jb00236
• Earle, P. S., & Shearer, P. M. (1994). Characterization of Global Seismograms Using an Automatic-Picking Algorithm. Bulletin of the Seismological Society of America, 84(2), 366-376.

1993

• Shearer, P. M. (1993). Global Mapping of Upper-Mantle Reflections from Long-Period SS Precursors. Geophysical Journal International, 115(3), 878-904. doi: 10.1111/j.1365-246X.1993.tb01499.x
• Morgan, J. P., & Shearer, P. M. (1993). Seismic Constraints on Mantle Flow and Topgraphy of the 660-KM Discontinuity - Evidence for Whole-Mantle Convection. Nature, 365(6446), 506-511. doi: 10.1038/365506a0
• Bhattacharyya, J., Shearer, P., & Masters, G. (1993). Inner-core attenuation from short-period PKP(BC) versus PKP(DF) wave-forms. Geophysical Journal International, 114(1), 1-11. doi: 10.1111/j.1365-246X.1993.tb01461.x

1992

• Aster, R. C., & Shearer, P. M. (1992). Initial Shear-Wave Particle Motions and Stress Constraints at the Anza Seismic Network. Geophysical Journal International, 108(3), 740-748. doi: 10.1111/j.1365-246X.1992.tb03465.x
• Shearer, P. M., & Masters, T. G. (1992). Global mapping of topography on the 660-km discontinuity. Nature, 355(6363), 791-796. doi: 10.1038/355791a0

1991

• Shearer, P. M. (1991). Imaging Global Body Wave Phases by Stacking Long-Period Seismograms. Journal of Geophysical Research-Solid Earth, 96(B12), 20353-&. doi: 10.1029/91jb00421
• Shearer, P. M. (1991). Constraints on Upper Mantle Discontinuities From Observations of Long-Period Reflected and Converted Phases. Journal of Geophysical Research-Solid Earth, 96(B11), 18147-18182. doi: 10.1029/91jb01592
• Aster, R. C., & Shearer, P. M. (1991). High-Frequency Borehole Seismograms Recorded in the San-Jacinto Fault Zone, Southern California: 2. Attenuation and Site Effects. Bulletin of the Seismological Society of America, 81(4), 1081-1100.
• Aster, R. C., & Shearer, P. M. (1991). High-Frequency Borehole Seismograms Recorded in the San-Jacinto Fault Zone, Southern California: 1. Polarizations. Bulletin of the Seismological Society of America, 81(4), 1057-1080.
• Shearer, P. M., & Toy, K. M. (1991). PKP(BC) Versus PKP(DF) Differential Travel-Times and Aspherical Structure in the Earths Inner Core. Journal of Geophysical Research-Solid Earth and Planets, 96(B2), 2233-2247. doi: 10.1029/90jb02370
• Minster, J. H., Day, S. M., & Shearer, P. M. (1991). The transition to the elastic regime in the vicinity of an underground explosion. Geophysical Monograph, vol.65 (pp. 229-238). Washington: American Geophysical Union.

1990

• Masters, T. G., & Shearer, P. M. (1990). Summary of seismological constraints on the structure of the Earth's core. Journal of Geophysical Research-Solid Earth and Planets, 95(B13), 21691-21695. doi: 10.1029/JB095iB13p21691
• Aster, R. C., Shearer, P. M., & Berger, J. (1990). Quantitative measurements of shear wave polarizations at the Anza Seismic Network, southern California: Implications for shear wave splitting and earthquake prediction. Journal of Geophysical Research-Solid Earth and Planets, 95(B8), 12449-12473. doi: 10.1029/JB095iB08p12449
• Shearer, P., & Masters, G. (1990). The density and shear velocity contrast at the inner core boundary. Geophysical Journal International, 102(2), 491-498. doi: 10.1111/j.1365-246X.1990.tb04481.x
• Shearer, P. M. (1990). Seismic Imaging of Upper-Mantle Structure with New Evidence for a 520-KM Discontinuity. Nature, 344(6262), 121-126. doi: 10.1038/344121a0

1989

• Hyndman, R. D., & Shearer, P. M. (1989). Water in the Lower Continental-Cruse: Modelling Magnetotelluric and Seismic-Reflection Results. Geophysical Journal International, 98(2), 343-365. doi: 10.1111/j.1365-246X.1989.tb03357.x
• Chapman, C. H., & Shearer, P. M. (1989). Ray Tracing in Azimuthally Anisotropic Media: 2. Quasi-Shear Wave Coupling. Geophysical Journal-Oxford, 96(1), 65-83. doi: 10.1111/j.1365-246X.1989.tb05251.x
• Shearer, P. M., & Chapman, C. H. (1989). Ray Tracing in Azimuthally Anisotropic Media: 1. Results For Models of Aligned Cracks in the Upper Crust. Geophysical Journal-Oxford, 96(1), 51-64. doi: 10.1111/j.1365-246X.1989.tb05250.x

1988

• Shearer, P. M. (1988). Synthetic Seismogram Modeling of Shear-Wave Splitting in VSP Data From the Geysers, California. Geophysical Research Letters, 15(10), 1085-1088. doi: 10.1029/GL015i010p01085
• Shearer, P. (1988). The Fossil Roots of Continents. Nature, 335(6185), 11-12. doi: 10.1038/335011a0
• Shearer, P. M., & Chapman, C. H. (1988). Ray Tracing in Anisotropic Media with a Linear Gradient. Geophysical Journal-Oxford, 94(3), 575-580. doi: 10.1111/j.1365-246X.1988.tb02277.x
• Shearer, P. M., Toy, K. M., & Orcutt, J. A. (1988). Axi-Symmetric Earth Models and Inner-Core Anisotropy. Nature, 333(6170), 228-232. doi: 10.1038/333228a0
• Shearer, P. M. (1988). Cracked Media, Poissons Ratio and the Structure of the Upper Oceanic-Crust. Geophysical Journal-Oxford, 92(2), 357-362. doi: 10.1111/j.1365-246X.1988.tb01149.x

1987

• Shearer, P. M., & Orcutt, J. A. (1987). Surface and Near-Surface Effects on Seismic-Waves - Theory and Borehole Seismometer Results. Bulletin of the Seismological Society of America, 77(4), 1168-1196.
• Whitmarsh, R. B., Orcutt, J. A., Jordan, T. H., Adair, R. G., & Shearer, P. M. (1987). Velocity Bounds on the Seismic Structure of Mesozoic Crust and Uppr Mantle in the Southwest Pacific Basin from Downhole Observations at Deep-Sea Drilling Project Hole-595B. Initial Reports of the Deep Sea Drilling Project, 91, 437-444. doi: 10.2973/dsdp.proc.91.111.1987
• Shearer, P. M., Orcutt, J. A., Jordan, T. H., Whitmarsh, R. B., Kim, I. I., Adair, R. G., & Burnett, M. S. (1987). The Ngendei Seismic Refraction Experiment at Deep-Sea Drilling Project Hole 595B - Ocean Bottom Seismometer Data and Evidence for Crustal and Upper Mantle Anisotropy. Initial Reports of the Deep Sea Drilling Project, 91, 385-435. doi: 10.2973/dsdp.proc.91.110.1987
• Shearer, P. M., Adair, R. G., Orcutt, J. A., & Jordan, T. H. (1987). Simultaneous Borehole and Ocean Bottom Seismometer Recordings of Earthquakes and Explosions - Results from the 1983 Ngendei Experiment at Deep-Sea Drilling Project Hole 595-B. Initial Reports of the Deep Sea Drilling Project, 91, 377-384. doi: 10.2973/dsdp.proc.91.109.1987

1986

• Shearer, P. M., & Orcutt, J. A. (1986). Compressional and shear wave anisotropy in the oceanic lithosphere - the Ngendei seismic refraction experiment. Geophysical Journal International, 87(3), 967-1003. doi: 10.1111/j.1365-246X.1986.tb01979.x
• Shearer, P. M. (1986). Anisotropy in the Oceanic Lithosphere - the Ngendei Seismic Refraction Experiment (Pacific). , Ph.D., 142.

1982

• Shearer, P. M., & Oppenheimer, D. H. (1982). A Dipping Moho and Crustal Low-Velocity Zone from PN Arrivals at the Geyers-Clear Lake, California. Bulletin of the Seismological Society of America, 72(5), 1551-1566.