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

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TNMCorps Mapping Challenge: City/Town Halls in CA & NV as of 01/28/21

TNMCorps Mapping Challenge: City/Town Halls in CA & NV as of 01/28/21

Image: California Poppies

California Poppies

California poppies.

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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A view from atop a coastal bluff looking at a sandy beach, waves, and ocean, highlighting areas of movement.

Sunset Beach Camera 2 Dark Image

Video camera bright image at Sunset State Beach in Watsonville, California, looking north. Learn more about the cameras and their imagery, and how we're using them to study coastal change.

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Cartoon looks at the seafloor at an angle to reveal a steep hillslope, indicative of a fault between tectonic plates.

Big Sur Bend

Perspective view of part of the Big Sur Bend in the San Gregorio-Hosgri fault. The steep slope beside the fault results from uplift along the fault, which is part of the strike-slip fault system that forms the boundary in California between the Pacific and North American tectonic plates.

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

Hydrothermal system and water flow in the subsurface beneath Long V...

Hydrothermal system and water flow in the subsurface beneath Long V...

Hydrothermal system and water flow in the subsurface beneath Long Valley Caldera, California. Cartoon Illustration from USGS FS 2007-3045.