Unified Interior Regions


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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Santa Cruz Main Beach, El Nino

Photographs are of the Santa Cruz Main Beach before and after the December 11, 2014, “Super Soaker” storm that brought 2.5 inches of rain in just a few hours to Santa Cruz and 9 inches to Boulder Creek, along with big waves and swell. While the human eye may notice changes to the beach, ground-based lidar can create surface maps of precise elevation changes over time.

View of a bridge over a river

Eel River at Fernbridge, CA

This webcam is located at the USGS streamgaging station on Eel River at Fernbridge. 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 conditions in the creek

A view from atop a coastal bluff looking at a sandy beach, waves, and ocean, dark shows no movement and light shows movement.

Sunset Beach Camera 2 Variance

Video camera variance 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.

A view from atop a building looking at the sandy beach, waves, and ocean.

Santa Cruz Cowells Beach Webcam Snapshot

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

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.