2026 Peter M. Shearer: Earth Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Earth Science	94	206	175	105	88	442	28048

Research.com Recognitions

2026 - Research.com Earth Science in United States Leader Award

Overview

Peter M. Shearer is affiliated with the University of California, San Diego in the United States. Their research primarily focuses on Earth and Planetary Sciences, with a strong emphasis on geophysics. They have contributed extensively to the study of earthquake and tectonic processes, high-pressure geophysics and materials, as well as geological and geochemical analysis.

The scientist's main research areas include:

Earthquake and tectonic studies
High-pressure geophysics and materials
Geological and geochemical analysis
Earthquake detection and analysis
Seismic waves and analysis
Seismology and earthquake studies
Seismic performance and analysis

Peter M. Shearer's frequent coauthors highlight collaboration with scholars such as:

Wenyuan Fan
Rachel E. Abercrombie
Tianze Liu
Daniel T. Trugman
Yuri Fialko

They have published in several prominent venues, with repeated contributions to the following journals:

Journal of Geophysical Research Solid Earth
Zenodo (CERN European Organization for Nuclear Research)
Bulletin of the Seismological Society of America
AGU Advances
Geophysical Research Letters

Recent papers authored or coauthored by Peter M. Shearer demonstrate an active role in advancing earthquake science. Notable publications include:

"The complex dynamics of the 2023 Kahramanmaraş, Turkey, M_w7.8-7.7 earthquake doublet" (2023) in Science
"Does Earthquake Stress Drop Increase With Depth in the Crust?" (2021) in Journal of Geophysical Research Solid Earth
"Improved Stress Drop Estimates for M 1.5 to 4 Earthquakes in Southern California From 1996 to 2019" (2022) in Journal of Geophysical Research Solid Earth
"Oceanic plateau of the Hawaiian mantle plume head subducted to the uppermost lower mantle" (2020) in Science
"Abundant Spontaneous and Dynamically Triggered Submarine Landslides in the Gulf of Mexico" (2020) in Geophysical Research Letters

Best Publications

Introduction to seismology

Peter M. Shearer

1540
Citations
Global variations of stress drop for moderate to large earthquakes

Bettina P. Allmann;Bettina P. Allmann;Peter M. Shearer

900
Citations
Extent, duration and speed of the 2004 Sumatra–Andaman earthquake imaged by the Hi-Net array

Miaki Ishii;Peter M. Shearer;Heidi Houston;John E. Vidale

835
Citations
A New Method for Determining First-Motion Focal Mechanisms

Jeanne L. Hardebeck;Peter M. Shearer

769
Citations
Waveform Relocated Earthquake Catalog for Southern California (1981 to June 2011)

Egill Hauksson;Wenzheng Yang;Peter M. Shearer

558
Citations
Global mapping of topography on transition zone velocity discontinuities by stacking SS precursors

Megan P. Flanagan;Peter M. Shearer

531
Citations
Using S/P Amplitude Ratios to Constrain the Focal Mechanisms of Small Earthquakes

Jeanne L. Hardebeck;Peter M. Shearer

476
Citations
Characterization of global seismograms using an automatic-picking algorithm

Paul S. Earle;Peter M. Shearer

445
Citations
Comprehensive analysis of earthquake source spectra in southern California

Peter M. Shearer;Germán A. Prieto;Egill Hauksson

428
Citations
A Global View of the Lithosphere-Asthenosphere Boundary

Catherine A. Rychert;Peter M. Shearer

425
Citations
Improving local earthquake locations using the L1 norm and waveform cross correlation: Application to the Whittier Narrows, California, aftershock sequence

Peter M. Shearer

422
Citations
Water in the lower continental crust: modelling magnetotelluric and seismic reflection results

R. D. Hyndman;P. M. Shearer

394
Citations
A survey of 71 earthquake bursts across southern California: Exploring the role of pore fluid pressure fluctuations and aseismic slip as drivers

John E. Vidale;Peter M. Shearer

358
Citations
Constraints on upper mantle discontinuities from observations of long-period reflected and converted phases

Peter M. Shearer

350
Citations
Introduction to Seismology: Acknowledgment

Unknown

339
Citations
Searching for hidden earthquakes in Southern California

Zachary E. Ross;Daniel T. Trugman;Egill Hauksson;Peter M. Shearer

332
Citations
Shear and compressional velocity models of the mantle from cluster analysis of long-period waveforms

C. Houser;G. Masters;P. Shearer;G. Laske

325
Citations
Global mapping of topography on the 660-km discontinuity

Peter M. Shearer;T. G. Masters

308
Citations
Seismic and geodetic evidence for extensive, long-lived fault damage zones

Elizabeth S. Cochran;Yong-Gang Li;Peter M. Shearer;Sylvain Barbot

304
Citations
Community Fault Model (CFM) for Southern California

Andreas Plesch;John H. Shaw;Christine Benson;William A. Bryant

299
Citations
Seismic imaging of upper-mantle structure with new evidence for a 520-km discontinuity

Peter M. Shearer

295
Citations
Applying a three-dimensional velocity model, waveform cross correlation, and cluster analysis to locate southern California seismicity from 1981 to 2005

Guoqing Lin;Guoqing Lin;Peter M. Shearer;Egill Hauksson

288
Citations

Frequent Co-Authors

Egill Hauksson California Institute of Technology

Peter Gerstoft University of California, San Diego

Robin S. Matoza University of California, Santa Barbara

Paul G. Okubo United States Geological Survey

John E. Vidale University of Southern California

Paul S. Earle United States Geological Survey

Frank L. Vernon University of California, San Diego

Michael A. H. Hedlin University of California, San Diego

Catherine L. Johnson Planetary Science Institute

Guy Masters University of California, San Diego

External Links

Personal website of Peter M. Shearer

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