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U.S. Geological Survey
David A. Johnston Cascades Volcano Observatory
1300 SE Cardinal Court, Building 10, Suite 100
Vancouver, Washington, 98683-9589
phone: (360) 993-8900
fax: (360) 993-8980 

Locations

Social Media

Contacts

Jon Major

Scientist-in-Charge
Cascades Volcano Observatory
Phone
360-993-8927

Jacky Verna

Supervisory Financial Specialist
Volcano Science Center
Phone
360-993-8953

Holly Weiss-Racine, CPG

Geologist and Outreach Coordinator
Cascades Volcano Observatory
Phone
(360) 993-8958

Elizabeth Westby

Geologist / Communications Specialist
Cascades Volcano Observatory
Phone
360-993-8979

Edward C. Brown

Associate Director VSC Infrastructure and Security
Cascades Volcano Observatory
Phone
360-993-8910

Employee Directory

Job Title
Name
Email
Phone
Volcanologist Nathan Andersen nandersen@usgs.gov 360-993-8900
Data Scientist Marco Bagnardi, Ph.D. mbagnardi@usgs.gov
Geographer Joseph A. Bard jbard@usgs.gov 360-993-8908
Research Social Scientist Beth A. Bartel bbartel@usgs.gov
Research Geophysicist Mary C. Benage, Ph.D. mbenage@usgs.gov 360-844-3484
Associate Director VSC Infrastructure and Security Edward C. Brown ecbrown@usgs.gov 360-993-8910
Geologist (NAGT) Emily Bryant ebryant@usgs.gov 360-993-8992
Hydrologic Technician Tami S Christianson tchristianson@usgs.gov 360-993-8945
Gas Geochemist Laura Clor lclor@usgs.gov 360-993-8993
Geophysicist Amberlee P. Darold adarold@usgs.gov 360-993-8924
Research Geophysicist Roger Patrick Denlinger, Ph.D. roger@usgs.gov 360-993-8904
Volcanologist - VDAP Angie Diefenbach adiefenbach@usgs.gov 360-993-8957
Emeritus/USGS-CVO Outreach Coordinator (1995-2022) Carolyn Driedger cmastin@usgs.gov
Scientific Illustrator/PNW and Pacific Island Regional Aviation Manager   Lisa Faust lisaf@usgs.gov
Research Mathematician David L George, Ph.D. dgeorge@usgs.gov 360-993-8932
Sediment Laboratory Manager Daniel Gooding dgooding@usgs.gov
Geologist, IT Systems Administration Scott E. Graham sgraham@usgs.gov 360-993-8965
Volcanologist - VDAP Julia Griswold griswold@usgs.gov 360-993-8949
Volcano Stratigrapher Christopher Harpel
Geologist Zachary Hastings zhastings@usgs.gov
Computer Scientist Christopher Hight chight@usgs.gov
Research Geophysicist David M. R. Hyman dhyman@usgs.gov
Volcano Geophysicist Alexandra Iezzi, Ph.D. aiezzi@usgs.gov (360) 993-8948
Administrative Operations Assistant Anthony C. Isham 360-993-8962
Research Hydrologist Emeritus Richard M. Iverson riverson@usgs.gov 360-993-8920
Management Analyst Sara Jivanjee
Volcanologist Emily R. Johnson, PhD erjohnson@usgs.gov 360-993-8972
Hydrologic Technician William Johnson wpj@usgs.gov
Gas Geochemist Peter Kelly pkelly@usgs.gov 360-993-8950
Research Physicist Christoph Kern ckern@usgs.gov 360-993-8922
Geophysicist Rebecca L. Kramer rkramer@usgs.gov 360-993-8930
Geologist Hannah Kruse hkruse@usgs.gov 360-993-8900
Geophysicist Martin LaFevers 360-993-8902
Volcanic Geochemist Allan Lerner alerner@usgs.gov
Computer Scientist Christopher Lockett clockett@usgs.gov
Director, Volcano Disaster Assistance Program Jacob B. Lowenstern jlwnstrn@usgs.gov 360-993-8946
Scientist-in-Charge Jon Major jjmajor@usgs.gov 360-993-8927
Associate Director, VDAP Jeffery Marso 360-993-8928
Physical Volcanologist Larry G. Mastin, Ph.D. lgmastin@usgs.gov 360-993-8925
Volcano Seismologist Wendy McCausland wmccausland@usgs.gov 360-993-8985
Operational Geophysicist Megan McLay mmclay@usgs.gov 360-993-8994
Physical Science Technician Robert Mertens 360-993-8973
Field Engineer Brian Meyers
Research Geophysicist, Volcano Geodesist Emily Montgomery-Brown emontgomery-brown@usgs.gov 650-329-5227
Volcano Seismologist Seth Moran, Ph.D. smoran@usgs.gov 360-993-0925
Geologist Adam R. Mosbrucker amosbrucker@usgs.gov 360-993-8975
Physical Scientist Katherine Norton knorton@usgs.gov 360-993-8951
Research Hydrologist Maciej K Obryk, Ph.D. mobryk@usgs.gov 360-993-8929
Volcanologist Sarah E. Ogburn, PhD (she/her/hers) sogburn@usgs.gov 360-993-8983
Mendenhall Postdoctoral Fellow Tyler G Paladino, Ph.D. tpaladino@usgs.gov
Supervisory Geophysicist Benjamin A. Pauk bpauk@usgs.gov 360-993-8992
Research Geophysicist Jeremy D. Pesicek, Ph.D. jpesicek@usgs.gov 360-993-8998
Administrative Operations Assistant Kevin H. Pesola kpesola@usgs.gov 360-993-8963
IT Specialist Justin Quach jquach@usgs.gov 360-993-8990
Geologist David W. Ramsey dramsey@usgs.gov 360-993-8978
Software Engineer Michael Randall 360-993-8991
Physical Science Technician Aaron P. Rinehart arinehart@usgs.gov
Volcanologist Emeritus William E Scott wescott@usgs.gov 360-993-8942
Supervisory Hydrologic Technician Kurt Spicer krspicer@usgs.gov 360-993-8944
Management Analyst Timothy Steed tsteed@usgs.gov
Associate Program Coordinator Wendy K. Stovall, Ph.D. wstovall@usgs.gov 360-993-8911
Electronic Engineering Technician Kelly J. Swinford kjswinfo@usgs.gov 360-993-8956
Volcano Seismologist Weston Thelen wthelen@usgs.gov 360-993-8977
Research Geologist James W. Vallance jvallance@usgs.gov 360-993-8959
Volcanologist Alexa Van Eaton, Ph.D. avaneaton@usgs.gov 360-993-8955
Supervisory Financial Specialist Jacky Verna 360-993-8953
Research Geologist Richard B Waitt, PhD waitt@usgs.gov 360-993-8947
Geologist Kellie Wall, Ph.D. kwall@usgs.gov 360-993-8943
Geologist and Outreach Coordinator Holly Weiss-Racine, CPG hweiss-racine@usgs.gov (360) 993-8958
Volcano Seismologist — VDAP Jay Wellik jwellik@usgs.gov 360-993-8995
Geologist / Communications Specialist Elizabeth Westby lwestby@usgs.gov 360-993-8979
Volcanologist - VDAP Heather M. Wright hwright@usgs.gov 360-993-8916