News

Lake Tahoe currently attracts almost 3 million visitors a year. After the 1960 Winter Olympics at Squaw Valley, it became a major tourist attraction...

A new U.S. Geological Survey-led study suggests that earthquake-related deformation just below the Earth's surface can be quite different from how it...

Electromagnectic surveying is helping the California Water Science Center to study geology and groundwater throught California.

USGS scientists collect samples to test for a range of water-quality constituents, especially mercury levels, in the Cache Creek Settling Basin.

May marks the annual observance of American Wetlands Month, a month dedicated to celebrating one of nature’s most productive ecosystems.

Although no one can reliably predict earthquakes, today’s technology is advanced enough to rapidly detect seismic waves as an earthquake begins...

San Joaquin Valley: the final frontier. These are the voyages of the U.S. Geological Survey. Its weeklong mission: to explore strange new locations...

The water in the Delta arrives primarily from the Sacramento and San Joaquin Rivers, supplying water for more than 22 million people. This water...

The National Groundwater Association has declared this week, March 5-11, as National Groundwater Awareness Week.

For many Californians a wet and snowy winter means keeping dry inside and avoiding dangerous roads. For field crews at the U.S. Geological Survey...