Unified Interior Regions

California

The Southwest Region includes California, Nevada, and Arizona. The Regional Office, headquartered in Sacramento, provides Center oversight and support, facilitates internal and external collaborations, and works to further USGS strategic science directions.

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Social Media

California Water Science Center (News)

Region 10: California-Great Basin

Region 8: Lower Colorado Basin (News)

USGS News: California

USGS Water Science in California

USGS Twitter Earthquake Dispatch (TED)

Locations

Placer Hall, Sacramento State University, Sacramento, CA

Southwest Regional Director's Office

6000 J Street, Placer Hall

Suite 5000

Sacramento, CA 95819

United States

Phone: (916) 278-9551
Fax: (916) 278-9566

Photograph of Natural Bridges State Beach, Santa Cruz, CA

Pacific Coastal and Marine Science Center

2885 Mission Street

Santa Cruz, CA 95060

United States

Phone: 831-460-7401
Fax: 831-427-4748

placer hall on the sac state campus

Sacramento Projects Office (USGS California Water Science Center)

6000 J Street, Placer Hall

Sacramento, CA 95819

United States

Phone: 916-278-3000
Fax: 916-278-3070

Sea Otter

Western Ecological Research Center - Headquarters

3020 State University Drive

Modoc Hall, Room 4004

Sacramento, CA 95819

United States

Phone: (916) 278-9485
Fax: (916) 278-9475

Geology Field Photo

Geology, Minerals, Energy and Geophysics Science Center

345 Middlefield Road

Mail Stop 973

Menlo Park, CA 94025

United States

Phone: (650) 329-4881

red brick building with windows

Earthquake Science Center

345 Middlefield Road

Mail Stop 977

Menlo Park, CA 94025

United States

rainbow

Western Geographic Science Center - Main Office

350 N. Akron Rd.

Moffett Field, CA 94035

United States

Entrance to the USGS California Water Science Center San Diego Projects Office

San Diego Projects Office (USGS California Water Science Center)

4165 Spruance Road

Suite 200

San Diego, CA 92101

United States

Phone: 619-225-6100
Fax: 619-225-6101

Fort Collins Science Center

Fort Collins Science Center

2150 Centre Avenue

Bldg C

Fort Collins, CO 80526

United States

Phone: 970-226-9100
Fax: 970-226-9230

California Volcano Observatory emblem

USGS California Volcano Observatory (CalVO package delivery)

345 Middlefield Road

Menlo Park, CA 94025

United States

askcalvo@usgs.gov
Phone: 650-329-5083

light yellow house

Pasadena Field Office

525 South Wilson Avenue

Pasadena, CA 91106

United States

Poway Field Office (USGS California Water Science Center)

12110 Tech Center Drive

Poway, CA 92064

United States

Phone: 858-679-4015
Fax: 858-679-4019

Truckee Field Office (USGS California Water Science Center)

10775 Pioneer Trail

Suite 102

Truckee, CA 96161

United States

Phone: 530-587-0910
Fax: 530-587-0914

Redding Field Office (USGS California Water Science Center)

11075 Black Marble Way

Redding, CA 96003

United States

Phone: 530-246-5282
Fax: 530-246-0717

Ukiah Field Office (USGS California Water Science Center)

2550 North State Street

Ukiah, CA 95482

United States

Phone: 707-468-4040
Fax: 707-468-4022

Redlands Field Office (USGS California Water Science Center)

1653 Plum Lane

Redlands, CA 92374

United States

Phone: 909-798-3272

industrial building with a roll-up garage door and a walk-in entrance under a maroon awning

West Sacramento Projects Office (USGS California Water Science Center)

1280 Terminal Street

West Sacramento, CA 95691

United States

Phone: 916-617-2799

front and side walls of a building with corrugated aluminum siding

Eureka Satellite Office (USGS California Water Science Center)

716 West Cedar Street

Eureka, CA 95501

United States

Phone: 707-442-3169
Fax: 707-445-7860

one story industrial building with a green lawn and two trees

Sacramento Field Office (USGS California Water Science Center)

8550 23rd Avenue

Sacramento, CA 95826

United States

Phone: 916-381-0207
Fax: 916-381-0556

grey building set back on a green lawn surrounded by trees

Santa Cruz Field Office (USGS California Water Science Center)

2885 Mission Street

Santa Cruz, CA 95060

United States

Phone: 831-460-7494

Santa Maria Field Office (USGS California Water Science Center)

3130 Skyway Drive

Suite 602

Santa Maria, CA 93455

United States

Phone: 805-928-9539
Fax: 805-928-9220

Image: USGS McKelvey Building, Menlo Park, CA

USGS Menlo Park Library

345 Middlefield Road, MS 955

Menlo Park, CA 94025-3591

United States

men_lib@usgs.gov
Phone: 650-329-5027
Fax: 650-329-5132

Contacts

Susan Benjamin

Center Director

Western Geographic Science Center

Email: sbenjamin@usgs.gov

Phone: 650-329-5049

Guy Gelfenbaum

Center Director

Pacific Coastal and Marine Science Center

Email: ggelfenbaum@usgs.gov

Phone: 831-460-7401

A. Keith Miles

Center Director

Western Ecological Research Center

Email: keith_miles@usgs.gov

Phone: 916-278-9572

Anke Mueller-Solger, PhD

Associate Director for Projects

California Water Science Center

Email: amueller-solger@usgs.gov

Phone: 916-278-3198

Colin F Williams, PhD

Center Director

Geology, Minerals, Energy, and Geophysics Science Center

Email: colin@usgs.gov

Phone: 650-439-2881

Todd Geiger

Hydrologic Technician

California Water Science Center

Email: tgeiger@usgs.gov

Phone: 805-928-9539

Glenn Henz

Administrative Officer

Water Resources Mission Area

Email: ghenz@usgs.gov

Phone: 916-278-3101

Lizia M Pech

Budget Analyst

Geology, Minerals, Energy, and Geophysics Science Center

Email: lmpech@usgs.gov

Phone: 650-329-4445

Loretta Pennie

Information Technology Specialist

Geology, Minerals, Energy, and Geophysics Science Center

Email: lpennie@usgs.gov

Phone: 650-439-2430

Eric Reichard

Center Director

California Water Science Center

Email: egreich@usgs.gov

Phone: 619-225-6134

Rocio Torres

Administrative Operations Assistant

Geology, Minerals, Energy, and Geophysics Science Center

Email: torres@usgs.gov

Phone: 650-329-4905