Connect

Address

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

Media & Press Inquiries, Public Information
askCVO@usgs.gov

Locations

Social Media

Contacts

Jon Major

Scientist-in-Charge

Cascades Volcano Observatory

jjmajor@usgs.gov

Phone

360-993-8927

Holly Weiss-Racine, CPG

Geologist and Outreach Coordinator

Cascades Volcano Observatory

hweiss-racine@usgs.gov

Phone

(360) 993-8958

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 Scientist	Beth A. Bartel	bbartel@usgs.gov
Research Geophysicist	Mary C. Benage, Ph.D.	mbenage@usgs.gov	360-844-3484
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
Research Mathematician	David L George	dgeorge@usgs.gov	360-993-8932
Geologist, IT Systems Administration	Scott E. Graham	sgraham@usgs.gov	360-993-8965
Volcanologist - VDAP	Julia Griswold	griswold@usgs.gov	360-993-8949
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
Research Hydrologist Emeritus	Richard M. Iverson	riverson@usgs.gov	360-993-8920
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
Geophysicist - VDAP	Martin LaFevers	mlafevers@usgs.gov	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
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
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	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
Geologist	David W. Ramsey	dramsey@usgs.gov	360-993-8978
Physical Science Technician	Aaron P. Rinehart	arinehart@usgs.gov
Volcano Science Center Safety Manager	Harold "Butch" Ryan	hryan@usgs.gov	360-993-8937
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
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
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
Volcanologist - VDAP	Heather M. Wright	hwright@usgs.gov	360-993-8916