Skip to main content
U.S. flag

An official website of the United States government

Connect

General contact information for the California Volcano Observatory may be found here. Individual contact information can be found at the bottom of the page. 

Addresses

Menlo Park (mail and packages):

345 Middlefield Road, MS 910
Menlo Park, CA 94025

Moffett Field (no packages):

P.O. Box 158
Moffett Field, CA 94035

Contact

Email: askcalvo@usgs.gov

Phone: 650-329-5083

For media requests related to current eruptions in the United States and elsewhere, please contact volcanomedia@usgs.gov

Locations

Social Media

Contacts

Andrew Todd Calvert, Ph.D.

Scientist-in-Charge
California Volcano Observatory
Phone
650-329-5276

Jessica L Ball, Ph.D.

Volcano Hazard Assessment and Communication Specialist
California Volcano Observatory
Phone
650-439-2597

Employee Directory

Job Title
Name
Email
Phone
Geologist Joel E. Robinson
Scientist-in-Charge Andrew Todd Calvert, Ph.D. acalvert@usgs.gov 650-329-5276
Volcano Seismologist Alicia J. Hotovec-Ellis, PhD ahotovec-ellis@usgs.gov 650-439-2886
Senior Research Geologist Emeritus Charles R Bacon, PhD cbacon@usgs.gov 650-329-5246
Volcano Seismologist Phillip Dawson, IV dawson@usgs.gov 650-439-2751
Volcano Petrologist Dawnika L. Blatter, PhD dblatter@usgs.gov 650-329-4839
Research Chemist David Damby, Ph.D ddamby@usgs.gov 650-329-4961
Volcanologist and Electron Microbeam Lab Manager Dawn C.S. Ruth, PhD druth@usgs.gov 650-329-4935
Senior Scientist (ST) Wes Hildreth hildreth@usgs.gov 650-329-5231
Volcanology Research Geophysicist Joshua A. Crozier jcrozier@usgs.gov 832-716-4001
Research Geologist Julie Donnelly-Nolan, PhD jdnolan@usgs.gov 650-329-5203
Research Geologist Judith Fierstein jfierstn@usgs.gov 650-329-5202
Volcano Hazard Assessment and Communication Specialist Jessica L Ball, Ph.D. jlball@usgs.gov 650-439-2597
Research Geologist Jennifer Lynn Lewicki, PhD jlewicki@usgs.gov 650-329-4604
Scientist Emeritus (Geologist) James G Moore jmoore@usgs.gov 650-329-5244
Volcano Geophysicist Kyle R. Anderson, Ph.D. kranderson@usgs.gov 650-439-2561
Research Geophysicist Michael Albert Mitchell, Ph.D. mamitchell@usgs.gov 650-329-5083
Research Geophysicist Maurizio Battaglia mbattaglia@usgs.gov 650-439-2629
Research Geologist Michael Clynne mclynne@usgs.gov 650-329-5236
Volcanologist Emeritus Manuel Nathenson mnathnsn@usgs.gov 650-329-5292
Research Hydrologist Mark Reid mreid@usgs.gov 650-439-2891
Geochronologist Mark E. Stelten, PhD mstelten@usgs.gov 650-329-5213
Scientist Emeritus Peter W Lipman, PhD plipman@usgs.gov 650-269-5295
Scientist Emeritus Patrick Muffler, Ph.D. pmuffler@usgs.gov 650-329-5239
Geochronologist Seth D. Burgess sburgess@usgs.gov 650-329-5220
Research Hydrologist Steven Ingebritsen, Ph.D. seingebr@usgs.gov 650-329-4422
Research Hydrologist Shaul Hurwitz shaulh@usgs.gov
Geochemist Sara Peek speek@usgs.gov 650-329-4509
Research Geologist Thomas Winslow Sisson, PhD tsisson@usgs.gov 650-329-5247
Scientist Emeritus Bill Evans, PhD wcevans@usgs.gov 650-329-4514