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: 1,113
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

San Lorenzo River at Big Trees State Park, CA

This webcam is located at the USGS stream-gaging station on San Lorenzo River at Big Trees State Park. This station provides continuous monitoring of river stage. The webcam provides valuable information to the National Weather Service, first-responders, and area residents to evaluate real-time

...

Kincade Fire

Winds exceeding 100 miles per hour spread California’s Kincade Fire at an alarming rate. The fire started on October 23, 2019, and had burned 74,324 acres just north of Santa Rosa, CA, by the evening of October 28.

The European Space Agency’s Sentinel-2A  satellite captured an image of the fire on October 27. Strong wind from the northeast is evident as smoke

...
Image: California’s Hotter Drought and Tree Death

California’s Hotter Drought and Tree Death

California's hotter drought has already killed millions of trees, particularly in low-elevation forests.

Attribution: Land Resources
Image: USGS and National Park Service Releasing California Condor

USGS and National Park Service Releasing California Condor

USGS and NPS personnel placed a GPS-transmitter on a California Condor at Pinnacles National Monument.  Photo was taken when the bird was released after attaching the transmitter.

Attribution: Ecosystems
Lassen Peak photographed from the Devastated Area about 4 hours bef...

Lassen Peak photographed from the Devastated Area about 4 hours bef...

Lassen Peak photographed from the Devastated Area about 4 hours before the explosive eruption of May 22, 1915.