Unified Interior Regions

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States L2 Landing Page Tabs

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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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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.

This dark image shows changes in pixels in a video image over 10 minutes.

Santa Cruz Main Beach video camera variance image

Video camera variance image at 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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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

View of Merced River from webcam

Merced River at Happy Isles Bridge, Yosemite, CA Webcam

This webcam is located at the USGS stream-gaging station on MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE. This station provides continuous monitoring of certain river conditions such as flow and stage. The webcam provides valuable information to Yosemite National

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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.

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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