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Coastal vegetation in foreground along beach bluff near flat beach with waves gently lapping, sky is cloudy in distance.

Sunset State Beach Video Camera 2 Snapshot

Snapshot from video camera along Sunset State Beach in Watsonville, CA, looking north. This snapshot is the first frame of a 10-minute video sequence. 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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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

Black and white outline of snake coiled up on a duck nest, with its mouth around an egg
June 20, 2019

Coloring Sheet: Gopher Snake Attempts to Eat a Duck Egg

A PDF copy of a coloring sheet showing a gopher snake attempting to eat a duck egg in a nest, based on an image taken in Suisun Marsh, California.

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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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"

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.

Thumbnail of a poster which is laid out with photos, images, and text.
January 1, 2001

Mapping Shipping Hazards in San Francisco Bay

Poster about the 1997-1998 study by USGS Pacific Coastal and Marine Science Center, to map the floor of San Francisco Bay in order to reveal the bay's shipping hazards.

Relative size of eruptions from Yellowstone, WY; Long Valley, CA; N...

Relative size of eruptions from Yellowstone, WY; Long Valley, CA; N...

Relative size of eruptions from Yellowstone, WY; Long Valley, CA; Novarupta, AK; Mount St. Helens, WA, and other large volcanic events.

Time-exposure image with vegetation in foreground on coastal bluff looking down on flat beach, waves appear to be smoothed out.

Sunset State Beach Video Camera 1 Timex

Time-exposure image from video camera along Sunset State Beach in Watsonville, CA, looking northwest. This timex (time-exposure) image is a time average of all frames in a 10-minute video sequence. Learn more about the cameras and how we're using them to study

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