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: 994
Infographic about the 2019 report "California's Exposure to Volcanic Hazards"

California's Exposure to Volcanic Hazards

Infographic about the 2019 report "California's Exposure to Volcanic Hazards"

Camera 2, Santa Cruz, California Cowells Beach time-averaged image from video camera looking at the sandy beach and ocean.

Santa Cruz Cowells Beach Webcam Time-Averaged Image

Video camera time-exposure image at Cowells Beach in Santa Cruz, California, looking southward. Learn more about the cameras and how we're using them to study coastal change.

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Image of the front page of Sound Waves, Dec. 2010
March 25, 2019

Sound Waves, Dec. 2010

The stories in the Dec. 2010 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2010/12/

California Sea Otter Numbers Drop Again

Search for Evidence of Prehistoric Tsunamis and Great Earthquakes on Chirikof Island,

Image of the front page of Sound Waves, Mar. - April 2012
March 22, 2019

Sound Waves, Mar. - April 2012

The stories in the Mar. - April 2012 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2012/04/

Seabird and Mammal Surveys Off California, Oregon, and Washington 

Maps Based on Satellite Telemetry Help Russian

View from a building top looking down on a sandy beach with beachgoers, pier extending into water, amusement park in background.

Santa Cruz Main Beach video camera 1 snapshot

Video camera snapshot overlooking Main Beach in Santa Cruz, California, looking eastward. Learn more about the cameras and how we're using them to study coastal change.

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View from the sky of a landscape with a river running through it, and the river is winding back and forth.

Mokelumne River Bathymetry

A winding strip of rainbow colors shows the bathymetry (depth) of the bed of the Mokelumne River just above its confluence with the San Joaquin in the Sacramento-San Joaquin River Delta east of San Francisco Bay. USGS scientists mapped the channel as part of a project to

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Black and white outline of man holding a duckling with a transmitter on its back
June 20, 2019

Coloring Sheet: Duckling With Transmitter

A PDF copy of a coloring sheet showing a USGS scientist holding a mallard duckling with a transmitter attached to its back, based on an image taken in Suisun Marsh, California.

Image of the front page of Sound Waves, Jan. - Feb. 2012
March 22, 2019

Sound Waves, Jan. - Feb. 2012

The stories in the Jan. - Feb. 2012 issue of Sound Waves:

https://archive.usgs.gov/archive/sites/soundwaves.usgs.gov/2012/02/

Arctic Expedition Reaches 88.5 Degrees North Latitude—Fourth Joint U.S.-Canada Survey for Purpose of Delineating Extended

Filter Total Items: 938
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. 

USGS
March 17, 1997

A cooperative agreement with the University of Southern California (USC) for the operation of the Southern California Earthquake Center has been renewed by the U.S. Geological Survey.

USGS
February 18, 1997

LECTURE: -- "LIVING WITH GEOLOGIC HAZARDS IN SAN MATEO COUNTY" WILL BE THE SUBJECT OF THE NEXT U.S. GEOLOGICAL SURVEY’S FREE PUBLIC LECTURE.

USGS
February 13, 1997

"There is mounting evidence that Mars is a water-rich planet that may have experienced warmer climates, and therefore, life, in the past,"according to Michael Carr, an astrogeologist with the U.S.Geological Survey in Menlo Park, Calif.

USGS
January 19, 1997

LECTURE: -- "THE COLORADO RIVER IN THE GRAND CANYON" WILL BE THE SUBJECT OF THE NEXT U.S. GEOLOGICAL SURVEY’S FREE PUBLIC LECTURE.

USGS
January 8, 1997

Hydrologists and chemists from the U.S. Geological Survey will be on Mallard Island, near Pittsburg today, Jan. 8, collecting water and sediment samples from Bay-Delta waters to determine the amount of pesticides that are being washed into the Bay by this year’s floods on Bay-Delta rivers.

USGS
January 3, 1997

The floods have crested and are beginning to recede in most places in the Pacific Northwest. Nevertheless dozens of U.S. Geological Survey personnel, who were busy over the holidays measuring the high streamflows and keeping river stage monitors operating, are still busy in the field and in their offices. Field crews have been hampered by mudslides, road closures, and extremely dangerous condition

USGS
December 18, 1996

The good news is that sea water and wave action aren’t being too rough on some sections of the beach cliffs of the San Mateo County, Calif., coast; the bad news is that slumping caused by fresh water erosion is destroying some of the beach cliffs at rates of up to two meters per year, according to scientists with the U.S. Geological Survey in Menlo Park, Calif.

USGS
December 16, 1996

A new method of assessing the danger of ground failure due to soil liquefaction during an earthquake made its debut in San Francisco, Tuesday afternoon, December 17.

USGS
December 13, 1996

"Secrets in Stone," a video that chronicles the series of scientific discoveries in the early 1960s that led to broad acceptance of the theory of plate tectonics, will be shown for the first time on Tuesday, December 17, 1996, at the annual meeting of the American Geophysical Union (AGU) in San Francisco. The premiere showing will be held at 4:30 p.m., in Room 122 of the Moscone Center.

USGS
September 27, 1996

Dr. Crofton B. Farmer of Pasadena, California, and Dr. M. Patrick McCormick of Hampton, Virginia, have received the 1996 Pecora Award, one of the top federal awards for contributions in remote sensing. 

USGS
November 8, 1995

Where in the United States are Carmen and San Diego? Now, you can get fast and accurate information on the Internet about Carmen, San Diego, and almost 2 million other domestic geographic names, via the new World Wide Web site for the U.S. Geological Survey’s Geographic Names Information System.