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.

States L2 Landing Page Tabs

Filter Total Items: 961
Image: California Poppies

California Poppies

California poppies.

Whiskeytown National Recreation Area Post-fire Recovery

A landscape at Whiskeytown National Recreation Area 2 months and 9 months after summer 2018's Carr Fire near Redding, California, where USGS WERC researchers are studying fire impacts, post-fire vegetation recovery, and post-fire erosion and debris flows.

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Image of ten minutes of video that highlights the brightest pixel values in the video, like the wave froth on the beach.

Sunset State Beach Video Camera 1 Bright Image

Bright image from video camera along Sunset State Beach in Watsonville, CA, looking northwest. This bright image shows the brightest pixel values throughout a 10-minute video sequence. Learn more about the cameras and how we're using them to study coastal change

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USGS
April 8, 2020

Aggregates Data by State, Type, and End Use; 1971–2016

This data set contains supplemental aggregates data for the USGS Minerals Yearbook Volume II—Area Reports: Domestic. It contains data for the years 1971 through 2016 and replaces the discrete construction aggregate tables that were included in the individual State chapters prior to 2014. It contains

Image of the front page of Sound Waves, Sept. - Oct. 2011
March 22, 2019

Sound Waves, Sept. - Oct. 2011

The stories in the Sept. - Oct. 2011 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2011/10/

High-Resolution Multibeam Mapping of Mid-Atlantic Canyons to Assess Tsunami Hazards 

USGS Scientists Develop System for

Whiskeytown National Recreation Area Post-fire Recovery

A landscape at Whiskeytown National Recreation Area 2 months and 9 months after summer 2018's Carr Fire near Redding, California, where USGS WERC researchers are studying fire impacts, post-fire vegetation recovery, and post-fire erosion and debris flows.

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Filter Total Items: 925
USGS
September 2, 1997

The effects of ground-water development on ground-water levels and ground-water quality in the town of Atherton, Calif., is the focus of a report released by the U.S. Geological Survey , Department of the Interior.

USGS
August 8, 1997

More than 200 exhibits dealing with topics from ocean floor photography to the geology of Mars will be highlighted at the U.S. Geological Survey’s open house at its Western Region Center in Menlo Park, Calif., September 13 and 14. 

USGS
August 8, 1997

The U.S. Geological Survey needs help to prepare for and assist at its big open house, September 12, 13 and 14, at the USGS Western Region Center in Menlo Park.

USGS
July 16, 1997

Experience over the last several years with the current system for describing the level of geologic unrest, such as earthquake swarms, ground deformation and gas emissions in the Long Valley caldera of eastern California, has shown it to be awkward and susceptible to misinterpretation by both the news media and the public.

USGS
July 8, 1997

A team of Bay Area earthquake scientists will be looking for more than old golf balls when they open an exploratory trench on the second fairway of the Mira Vista golf course in El Cerrito, this week. Golf course officials have rerouted the sedonc hole in order to give the geologists a 10-day window for the study.

USGS
May 29, 1997

Selected, local editions of U.S. Geological Survey topographic maps will be available for purchase at the USGS exhibit that will be part of the San Francisco Bay Trail Project’s National Trails Day Festival, Saturday, June 7, at Robert Crown Memorial State Beach and Crab Cove Visitor’s Center in Alameda.

USGS
April 15, 1997

Peat soils in the Sacramento-San Joaquin Delta and their relationship to water quality; the history and consequences of long-term groundwater use in the Mojave Desert; the hydrology, biology and geology of San Francisco Bay; 

USGS
April 15, 1997

Dr. Gordon Eaton, the national director of the U.S. Geological Survey in Reston, Va., will be one of the speakers at the Friday, April 18, 1997 dedication of Placer Hall on the California State University at Sacramento campus.

USGS
April 15, 1997

The presence of the U.S. Geological Survey in Placer Hall on the campus of California State University at Sacramento marks the latest chapter in the USGS’s long association with the study of earth sciences in California and cooperation with the state’s Division of Mines and Geology and its higher education system.

USGS
April 15, 1997

Methyl tert-butyl ether (MTBE) and its potential effects on air and water quality were the focus of a session Wed. and Thurs, April 16-17, 1997, at the American Chemical Society annual meeting in San Francisco, California. U.S. Geological Survey scientists will report on several studies of the occurrence and distribution of this compound in surface water and ground water during the session.

USGS
April 15, 1997

Methyl tert-butyl ether (MTBE) in the nation’s ground waters and surface waters will be the subject of papers and poster presentations by U.S. Geological Survey scientists at the American Chemical Society annual meeting, April 16-17, in San Francisco, Calif.

USGS
April 10, 1997

U.S. Geological Survey scientists are encouraged because they now know that they have the capability to explain the blind thrust faults of the Los Angeles region with seismic reflection methods, according to USGS researcher Dr. Rufus Catchings.