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The Geologic Hazards Science Center (GHSC), on the Colorado School of Mines campus, is home to the National Earthquake Information Center (NEIC), many scientists in the Earthquake Hazards Program and Landslide Hazards Program, as well as the Geomagnetism Program staff.

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Employee Directory

Job Title Name Sort descending Email Phone
Physical Scientist Adam Ringler, Ph.D. aringler@usgs.gov 505-846-6116
Research Geologist Alexandra (Alex) Hatem ahatem@usgs.gov 303-273-8474
Geophysicist Alexandra N. Wernle, MS awernle@usgs.gov
Research Geophysicist Allison M Shumway ashumway@usgs.gov
Research Geologist Andrew Graber, Ph.D. agraber@usgs.gov
Research Civil Engineer Andrew J Makdisi, PhD, PE amakdisi@usgs.gov 303-273-8500
Research Geophysicist Anna Kelbert, Ph.D. akelbert@usgs.gov 303-273-8448
Research Geologist Ben Mirus bbmirus@usgs.gov 303-273-8613
Research Geophysicist Brad Aagaard baagaard@usgs.gov 303-273-8481
Geophysicist Brandon S Clayton bclayton@usgs.gov
Deputy Director Brian Shiro, Ph.D. bshiro@usgs.gov 303-273-8515
Scientist Emeritus Bruce W Presgrave presgrave@usgs.gov 303-273-8461
Research Geophysicist Chanel Deane cdeane@usgs.gov
Research Geologist Christopher B DuRoss cduross@usgs.gov 303-273-8544
Research Geophysicist Dara E Goldberg degoldberg@usgs.gov 303-273-8419
Research Geophysicist David J Wald wald@usgs.gov 303-273-8441
Research Geophysicist David Shelly dshelly@usgs.gov 303-273-8659
Supervisory Research Geophysicist David Wilson dwilson@usgs.gov 505-846-2856
Student Intern Demi L Girot dgirot@usgs.gov
Research and Development E. Joshua 'Josh' Rigler erigler@usgs.gov 303-273-8607
Geophysicist Elaine Collins ecollins@usgs.gov
Hydrologist Emily C Bedinger ebedinger@usgs.gov
Supervisory Geologist Eric Bilderback, Ph.D. ebilderback@usgs.gov 303-273-8488
GIS Specialist Eric Jones esjones@usgs.gov 303-273-8445
Computer Scientist Eric M Martinez emartinez@usgs.gov 303-273-8653
Research Geophysicist Eric M Thompson emthompson@usgs.gov 303-273-8562
Research Geologist Francis Rengers frengers@usgs.gov 303-273-8637
Senior Science Advisor for Earthquake and Geologic Hazards Gavin P Hayes ghayes@usgs.gov 303-273-8421
Scientist Emeritus George L Choy choy@usgs.gov 303-273-8424
Geologist Gina Belair gbelair@usgs.gov
Civil Engineer Henry (Ben) Mason hmason@usgs.gov
Scientist Emeritus Jackson K Odum odum@usgs.gov 303-273-8645
Geologist Jaime Kostelnik jkostelnik@usgs.gov 720-392-8049
Geophysicist James A Smith jamesasmith@usgs.gov
Scientist Emeritus James W Dewey jdewey@usgs.gov 303-273-8419
Geophysicist Jana Pursley jpursley@usgs.gov 303-273-8623
Research Hydrologist Jason Kean jwkean@usgs.gov 303-273-8608
Geophysicist Jason M Altekruse jaltekruse@usgs.gov
Research Geologist Jeffrey Coe jcoe@usgs.gov 303-273-8606
Research Geologist Jessica Thompson Jobe jjobe@usgs.gov 303-273-8474
Scientist Emeritus Jill McCarthy jmccarthy@usgs.gov 303-273-8579
Operations John Spritzer jspritzer@usgs.gov 303-273-8430
Landslide Hazards Program Coordinator Jonathan Godt jgodt@usgs.gov 303-273-8626
Geophysicist Julie A Herrick jherrick@usgs.gov
Research Geophysicist Kate E Allstadt, Ph.D. kallstadt@usgs.gov 303-273-8570
Research Civil Engineer Katherine Barnhart krbarnhart@usgs.gov 303-273-8582
Geologist Kelli Baxstrom kbaxstrom@usgs.gov 303-273-8625
IT Specialist Kenneth S Rukstales rukstales@usgs.gov
Developmental Geophysicist Kirstie L Haynie, PhD khaynie@usgs.gov 303-273-8526
Research Structural Engineer Kishor Jaiswal kjaiswal@usgs.gov 303-273-8584
Supervisory Geophysicist/USGS Geomagnetism Program Group Leader Kristen Lewis, PhD klewis@usgs.gov 303-273-8471
Science Advisor for Risk Reduction Kristin Ludwig kaludwig@usgs.gov 303-273-8616
Research Geophysicist Kyle B Withers kwithers@usgs.gov 303-273-8619
Research Civil Engineer Lauren N Schaefer lschaefer@usgs.gov 303-273-8564
Research Geophysicist (Mendenhall) Liam Toney, PhD ltoney@usgs.gov
Scientist Emeritus Linda Pratt lkpratt@usgs.gov 303-273-8507
Geophysicist/Science Communications/Web Content Manager Lisa A Wald lisa@usgs.gov
Research Geologist Lisa Luna, PhD lluna@usgs.gov
Supervisory Geophysicist Lynda Lastowka llastowka@usgs.gov 303-273-8422
Geologist / Web Content Manager Marisa Macias mmacias@usgs.gov
Facilities Manager Mark Nelson mdnelson@usgs.gov 303-273-8483
Research Hydrologist Matthew A Thomas matthewthomas@usgs.gov 303-273-8588
Computer Scientist Michelle Guy mguy@usgs.gov 303-273-8650
Research Geophysicist Morgan P Moschetti, PhD mmoschetti@usgs.gov 303-273-8464
Research Geologist Nadine G Reitman, PhD (she/her) nreitman@usgs.gov 303-273-8499
Research Structural Engineer Neal Simon Kwong, PhD nkwong@usgs.gov 303-273-8589
Research Geophysicist Ned Field field@usgs.gov 303-273-8469
Research Civil Engineer Nicolas Luco nluco@usgs.gov 303-273-8683
Research Civil Engineer Nicolas W Mathews, PhD nmathews@usgs.gov
Geologist Nikita N Avdievitch navdievitch@usgs.gov
Geophysicist Noah S Lindberg nlindberg@usgs.gov
Research Geophysicist Oliver S Boyd, Ph.D. olboyd@usgs.gov 303-273-8617
Seismologist Paul Stanton Earle pearle@usgs.gov 303-273-8417
Research Geophysicist Paula M Burgi pburgi@usgs.gov
Research Geophysicist Peter M Powers, PhD pmpowers@usgs.gov 303-273-8467
Research Geologist Emeritus Rex Baum baum@usgs.gov 303-273-8610
Research Geologist Rich Briggs rbriggs@usgs.gov 303-273-8465
Scientist Emeritus Robert A Williams rawilliams@usgs.gov 303-273-8636
Research Geophysicist Robert E Anthony reanthony@usgs.gov
GIS Specialist Robert G Schmitt rschmitt@usgs.gov 303-273-8583
Scientist Emeritus Robert Wesson rwesson@usgs.gov 303-273-8524
Administrative Operations Assistant Robin Davis rmdavis@usgs.gov 720-665-4419
Director, Geologic Hazards Science Center Ryan D Gold, Ph.D. rgold@usgs.gov 303-273-8633
Mendenhall Research Fellow/Research Civil Engineer Sabine Loos, PhD sloos@usgs.gov
Geologist Sabrina N Martinez snmartinez@usgs.gov 303-273-8500
Research Structural Engineer Sanaz Rezaeian srezaeian@usgs.gov 303-273-8565
Research Civil Engineer Shelby Ahrendt, PhD sahrendt@usgs.gov 303-273-8554
Geologist Sonia Ellison sellison@usgs.gov
Scientist Emeritus Stephen H Hartzell shartzell@usgs.gov 303-273-8572
Associate Program Coordinator Stephen L. Slaughter sslaughter@usgs.gov 303-273-8482
Research Geologist Sylvia R. Nicovich snicovich@usgs.gov
Research Geophysicist Thomas Pratt, Ph.D. tpratt@usgs.gov 720-357-0470
Assistant Coordinator William Barnhart, Ph.D. wbarnhart@usgs.gov
Research Geophysicist William J Stephenson wstephens@usgs.gov 303-273-8573
Research Geophysicist William L Yeck, PhD wyeck@usgs.gov 303-273-8648
Research Geologist William Schulz wschulz@usgs.gov 303-273-8404
Research Geophysicist Yuehua Zeng zeng@usgs.gov 303-273-8561
Student Intern Zachary A Kortum zkortum@usgs.gov