Unified Interior Regions

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

TNMCorps Mapping Challenge: City/Town Halls in CA & NV as of 01/14/21

Video camera time-exposure 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.

Lodging information and directions for 4th Federal UAS workshop

Infographic about the 2019 report "California's Exposure to Volcanic Hazards"

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,

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

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.

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

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

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