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Overview

Stephen H. Hartzell is affiliated with the United States Geological Survey in the United States. Their research primarily focuses on earth and planetary sciences, with an emphasis on geophysics and related subfields such as civil and structural engineering, ocean engineering, and applications of artificial intelligence in geosciences.

Their work covers several main topics in seismic and earthquake studies, including seismic waves and analysis, earthquake and tectonic studies, seismic performance and analysis, earthquake detection and analysis, geophysics and sensor technology, seismic imaging and inversion techniques, and broader seismology and earthquake studies.

Among the notable papers authored or coauthored by Hartzell are:

  • Site Response in the Walnut Creek-Concord Region of San Francisco Bay, California: Ground-Motion Amplification in a Fault-Bounded Basin, 2024, Bulletin of the Seismological Society of America
  • Site Response and Wave Propagation Effects in the Eastern United States, 2025, Bulletin of the Seismological Society of America
  • 3-D joint geodetic and strong-motion finite fault inversion of the 2008 May 12, Wenchuan, China Earthquake, 2020, Geophysical Journal International
  • Spectral Inversion for Seismic Site Response in Central Oklahoma: Low-Frequency Resonances from the Great Unconformity, 2020, Bulletin of the Seismological Society of America
  • Prediction of Regional Broadband Strong Ground Motions Using a Teleseismic Source Model of the 18 April 2014 Mw 7.3 Papanoa, Mexico, Earthquake, 2024, Bulletin of the Seismological Society of America

Hartzell collaborates frequently with several researchers, including:

  • L. Ramirez-Guzmán
  • Robert G. Schmitt
  • Carlos Javier Mendoza
  • Morgan P. Moschetti
  • Alena L. Leeds

Their publications are predominantly found in a few key venues related to seismology and geophysics, such as:

  • Bulletin of the Seismological Society of America
  • Geophysical Journal International
  • Physics of The Earth and Planetary Interiors

Best Publications

  • Inversion of strong ground motion and teleseismic waveform data for the fault rupture history of the 1979 Imperial Valley, California, earthquake

    Stephen H. Hartzell;Thomas H. Heaton

  • Earthquake aftershocks as Green's functions

    Stephen H. Hartzell

  • Aftershock patterns and main shock faulting

    Carlos Mendoza;Stephen H. Hartzell

  • Calculation of broadband time histories of ground motion: Comparison of methods and validation using strong-ground motion from the 1994 Northridge earthquake

    Stephen Hartzell;Stephen Harmsen;Arthur Frankel;Shawn Larsen

  • Prediction of Broadband Ground-Motion Time Histories: Hybrid Low/High- Frequency Method with Correlated Random Source Parameters

    Pengcheng Liu;Ralph J. Archuleta;Stephen H. Hartzell

  • RUPTURE HISTORY OF THE 1984 MORGAN HILL, CALIFORNIA, EARTHQUAKE FROM THE INVERSION OF STRONG MOTION RECORDS

    Stephen H. Hartzell;Thomas H. Heaton

  • Earthquake Hazards on the Cascadia Subduction Zone

    Thomas H. Heaton;Stephen H. Hartzell

  • Hilbert-Huang transform analysis of dynamic and earthquake motion recordings

    Ray Ruichong Zhang;Shuo Ma;Erdal Safak;Stephen Hartzell

  • The 1994 Northridge, California, earthquake: Investigation of rupture velocity, risetime, and high-frequency radiation

    Stephen Hartzell;Pengcheng Liu;Carlos Mendoza

  • Effects of fault finiteness on near-source ground motion

    Ralph J. Archuleta;Stephen H. Hartzell

  • Comparison of seismic waveform inversion results for the rupture history of a finite fault : Application to the 1986 North Palm Springs, California, earthquake

    Stephen Hartzell

  • STRONG-MOTION MODELING OF THE IMPERIAL VALLEY EARTHQUAKE OF 1979

    Stephen Hartzell;Donald V. Helmberger

  • Initial investigation of site and topographic effects at Robinwood Ridge, California

    Stephen H. Hartzell;David L. Carver;Kenneth W. King

  • INVERSION FOR SLIP DISTRIBUTION USING TELESEISMIC P WAVEFORMS: NORTH PALM SPRINGS, BORAH PEAK, AND MICHOACAN EARTHQUAKES

    Carlos Mendoza;Stephen H. Hartzell

  • Source inversion of the 1988 Upland, California, earthquake: Determination of a fault plane for a small event

    Jim Mori;Stephen Hartzell

  • Site response estimation from earthquake data

    Stephen H. Hartzell

  • Slip distribution of the 19 September 1985 Michoacan, Mexico, earthquake: near-source and teleseismic constraints

    Carlos Mendoza;Stephen H. Hartzell

  • Prediction of nonlinear soil effects

    Stephen Hartzell;L. F. Bonilla;Robert A. Williams

  • Site response for urban Los Angeles using aftershocks of the Northridge earthquake

    Stephen Hartzell;Alena Leeds;Arthur Frankel;John Michael

  • Variability of site response in the Los Angeles urban area

    Stephen Hartzell;Edward Cranswick;Arthur Frankel;David Carver

Frequent Co-Authors

Arthur Frankel
Arthur Frankel United States Geological Survey
Thomas H. Heaton
Thomas H. Heaton California Institute of Technology
Stephen C. Harmsen
Stephen C. Harmsen United States Geological Survey
Ralph J. Archuleta
Ralph J. Archuleta University of California, Santa Barbara
Robert W. Graves
Robert W. Graves United States Geological Survey
Thomas M. Brocher
Thomas M. Brocher United States Geological Survey
James N. Brune
James N. Brune University of Nevada Reno
Donald V. Helmberger
Donald V. Helmberger California Institute of Technology
Randall W. Jibson
Randall W. Jibson United States Geological Survey
Mark D. Petersen
Mark D. Petersen United States Geological Survey

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