An official website of the United States government. Here's how you knowHere's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Latest Earthquake | Chat Share
Thomas Pratt is a Research Geophysicist with the U.S. Geological Survey based in Reston, Virginia, and a member of the Geologic Hazards Science Center in Golden, Colorado. His research interests are in seismic imaging of active fault systems, modeling of geologic structures, studying the tectonic settings of earthquakes, and understanding ground motions during earthquakes.
Cornell University BA, Geology, 1980
Virginia Tech M.Sc., Geophysics, 1982
Virginia Tech Ph.D., Geophysics, 1986
Research Geophysicist, USGS, Reston, VA, 2013-present.
Central and Eastern Region Coordinator, USGS Earthquake Hazards Program, 2017-present.
Editor-in-Chief, Bulletin of the Seismological Society America, 2016-2021.
Acting External Grants Program Manager, USGS, 2016 (4-month term).
Associate Editor, Bulletin of the Seismological Society America, 2014-2015.
Research Geophysicist, USGS, Seattle, WA, 1994-2013.
Affiliate Professor, Dept. of Earth and Space Sciences, University of Washington, 2003-2014.
Affiliate Professor, School of Oceanography, University of Washington, 2004-2014.
Visiting Professor, Earthquake Research Institute, University of Tokyo, May 5 - August 5, 2000.
Affiliate, School of Oceanography, University of Washington, 1994-2003.
Research Geophysicist, USGS, Golden, CO, 1991-1994.
Associate Editor, Journal of Geophysical Research, 1991-1995.
Research Associate, Department of Earth Sciences, Cornell University, Ithaca, NY, 1989-1991.
Postdoctoral Research Associate, Department of Earth Sciences, Cornell University, Ithaca, NY, 1986-1989.
Chair, Seismological Society of America Best Student Presentation subcommittee, 2010-2011.
Member, Seismological Society of America Awards Committee, 2010-2011.
Subject Matter Expert, USGS “Requirements, Capabilities and Analysis for Earth Observations (RCA-OE)” – a USGS-wide exercise to evaluate capabilities and needs. August-October, 2014.
Member, Hiring Committee, Earthquake Hazards Program External Grants Manager (April-May, 2016)
Member (USGS Representative), FEMA 2019 New Madrid Exercise “Shaken Fury”, Interagency Core Planning Team – 2018-2019
Member, Program for Array Seismic Studies of the Continental Lithosphere (PASSCAL) Standing Committee, Incorporated Research Institutions for Seismology (IRIS), 1994-1998 and 2007-2010.
Chair, Seismological Society of America Best Student Presentation committee, 2010-2011.
Co-Chair (2009-2010), Incorporated Research Institutes for Seismology (IRIS) Active Source Committee; With Alan Levander of Rice University
Ten years ago, in the early afternoon of August 23, 2011, millions of people throughout the eastern U.S. felt shaking from a magnitude 5.8 earthquake...
Why was an earthquake in Virginia felt at more than twice the distance than a similar-sized earthquake in California? The answer is one that many...
Thirty seismometers are being installed in the Nation’s capital this winter to monitor ground tremors to better estimate the intensity of ground...
Scientists from the U.S. Geological Survey and Virginia Tech will install a 20-station seismic network in the central Virginia area beginning Jan. 8...