Publications


Shearer, P. M., Vandevert, I., Fan, W., Abercrombie, R. E., Bindi, D., Calderoni, G., Chen, X., Ellsworth, W., Harrington, R., Huang, Y., Knudson, T., Roßbach, M., Satriano, C., Supino, M., Trugman, D. T., Yang, H., & Zhang, J. (2025). Earthquake Source Spectra Estimates Vary Widely for Two Ridgecrest Aftershocks Because of Differences in Attenuation Corrections. Bulletin of the Seismological Society of America, 115(3), 777–791. https://doi.org/10.1785/0120240134
Jia, Z., Fan, W., Mao, W., Shearer, P. M., & May, D. A. (2025). Dual Mechanism Transition Controls Rupture Development of Large Deep Earthquakes. AGU Advances, 6(3), e2025AV001701. https://doi.org/10.1029/2025AV001701
Hao, S., Wei, S. S., & Shearer, P. M. (2024). Substantial Global Radial Variations of Basalt Content Near the 660‐km Discontinuity. AGU Advances, 5(6), e2024AV001409. https://doi.org/10.1029/2024AV001409
Shearer, P. M., Shabikay Senobari, N., & Fialko, Y. (2024). Implications of a Reverse Polarity Earthquake Pair on Fault Friction and Stress Heterogeneity Near Ridgecrest, California. Journal of Geophysical Research: Solid Earth, 129(11), e2024JB029562. https://doi.org/10.1029/2024JB029562
Shabikay Senobari, N., Shearer, P. M., Funning, G. J., Zimmerman, Z., Zhu, Y., Brisk, P., & Keogh, E. (2024). The Matrix Profile in Seismology: Template Matching of Everything With Everything. Journal of Geophysical Research: Solid Earth, 129(2), e2023JB027122. https://doi.org/10.1029/2023JB027122
Jia, Z., Jin, Z., Marchandon, M., Ulrich, T., Gabriel, A.-A., Fan, W., Shearer, P., Zou, X., Rekoske, J., Bulut, F., Garagon, A., & Fialko, Y. (2023). The complex dynamics of the 2023 Kahramanmaraş, Turkey, M w 7.8-7.7 earthquake doublet. Science, 381(6661), 985–990. https://doi.org/10.1126/science.adi0685
Hao, S., Shearer, P., & Liu, T. (2023). The Upper‐Mantle Structure Beneath Alaska Imaged by Teleseismic S‐Wave Reverberations. Journal of Geophysical Research: Solid Earth, 128(6), e2023JB026667. https://doi.org/10.1029/2023JB026667
Shearer, P. M., Meng, H., & Fan, W. (2023). Earthquake Detection Using a Nodal Array on the San Jacinto Fault in California: Evidence for High Foreshock Rates Preceding Many Events. Journal of Geophysical Research: Solid Earth, 128(3), e2022JB025279. https://doi.org/10.1029/2022JB025279
Shearer, P. M., Abercrombie, R. E., & Trugman, D. T. (2022). Improved Stress Drop Estimates for M 1.5 to 4 Earthquakes in Southern California From 1996 to 2019. Journal of Geophysical Research-Solid Earth, 127(7), 23. https://doi.org/10.1029/2022jb024243
Liu, T. Z., & Shearer, P. M. (2022). Likely P-to-S Conversion at the Core-Mantle Boundary Extracted From Array Processing of Noise Records. Geophysical Research Letters, 49(7), 11. https://doi.org/10.1029/2021gl097034
Abercrombie, R. E., Trugman, D. T., Shearer, P. M., Chen, X. W., Zhang, J. W., Pennington, C. N., Hardebeck, J. L., Goebel, T. H. W., & Ruhl, C. J. (2021). Does earthquake stress drop increase with depth in the crust? Journal of Geophysical Research-Solid Earth, 126(10), 22. https://doi.org/10.1029/2021jb022314
Lin, G. Q., & Shearer, P. M. (2021). Spatiotemporal variations of focal mechanism and in situ V-p/V-s ratio during the 2018 Kilauea eruption. Geophysical Research Letters, 48(18), 11. https://doi.org/10.1029/2021gl094636
Liu, T. Z., & Shearer, P. M. (2021). Complicated lithospheric structure beneath the contiguous us revealed by teleseismic S-reflections. Journal of Geophysical Research-Solid Earth, 126(5), 20. https://doi.org/10.1029/2020jb021624
Shearer, P. M., & Abercrombie, R. E. (2021). Calibrating spectral decomposition of local earthquakes using borehole seismic records-results for the 1992 Big Bear aftershocks in Southern California. Journal of Geophysical Research-Solid Earth, 126(3). https://doi.org/10.1029/2020jb020561
Matoza, R. S., Okubo, P. G., & Shearer, P. M. (2021). Comprehensive high-precision relocation of seismicity on the island of Hawai’i 1986-2018. Earth and Space Science, 8(1). https://doi.org/10.1029/2020ea001253
Tian, D. D., Lv, M. D., Wei, S., Dorfman, S. M., & Shearer, P. M. (2020). Global variations of Earth’s 520-and 560-km discontinuities. Earth and Planetary Science Letters, 552. https://doi.org/10.1016/j.epsl.2020.116600
Wei, S. Q. S., Shearer, E. E., Lithgow-Bertelloni, C., Stixrude, L., & Tian, D. D. (2020). Oceanic plateau of the Hawaiian mantle plume head subducted to the uppermost lower mantle. Science, 370(6519), 983-+. https://doi.org/10.1126/science.abd0312
Fan, W. Y., McGuire, J. J., & Shearer, P. M. (2020). Abundant spontaneous and dynamically triggered submarine landslides in the Gulf of Mexico. Geophysical Research Letters, 47(12). https://doi.org/10.1029/2020gl087213
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. https://doi.org/10.1130/g46378.1
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. https://doi.org/10.1029/2019jb017326
Ross, Z. E., Trugman, D. T., Hauksson, E., & Shearer, P. M. (2019). Searching for hidden earthquakes in Southern California. Science, 364(6442), 767-+. https://doi.org/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. https://doi.org/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. https://doi.org/10.1029/2018jb015961
Koper, K. D., Pankow, K. L., Pechmann, J. C., Hale, J. M., Burlacu, R., Yeck, W. L., Benz, H. M., Herrmann, R. B., Trugman, D. T., & Shearer, P. M. (2018). Afterslip enhanced aftershock activity during the 2017 earthquake sequence near Sulphur Peak, Idaho. Geophysical Research Letters, 45(11), 5352–5361. https://doi.org/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. https://doi.org/10.1029/2017gl076812
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. https://doi.org/10.1002/2018jb015573
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. https://doi.org/10.1785/0120170245
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. https://doi.org/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. https://doi.org/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. https://doi.org/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. https://doi.org/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. https://doi.org/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. https://doi.org/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. https://doi.org/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. https://doi.org/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. https://doi.org/10.1002/2016jb013265
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. https://doi.org/10.1785/0120150173
Fan, W. Y., & Shearer, P. M. (2016). Local near instantaneously dynamically triggered aftershocks of large earthquakes. Science, 353(6304), 1133–1136. https://doi.org/10.1126/science.aag0013
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. https://doi.org/10.1002/2016jb013105
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. https://doi.org/10.1002/2016jb012945
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. https://doi.org/10.1002/2016gl070286
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. https://doi.org/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. https://doi.org/10.1093/gji/ggw073
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. https://doi.org/10.1002/2015jb012641
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. https://doi.org/10.1002/2016gl067785
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. https://doi.org/10.1002/2015jb012768
Melgar, D., Fan, W. Y., Riquelme, S., Geng, J. H., Liang, C. R., Fuentes, M., Vargas, G., Allen, R. M., Shearer, P. 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. https://doi.org/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. https://doi.org/10.1002/2015jb012510
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. https://doi.org/10.1002/2015gl065802
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. https://doi.org/10.1002/2015gl065336