SAN BERNARDINO COUNTY, CA - A 2.4 magnitude quake was registered close to Lytle Creek Tuesday morning, the U.S. Geological ...

SAN BERNARDINO COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.4 magnitude quake shook close to Searles ...

SAN JOSE, Calif. – SAN JOSE, Calif. (AP) — California geology officials have released an updated state seismic activity map that they hope will improve earthquake preparedness and construction ...

A swarm of small earthquakes struck California's East Bay on Sunday morning, the United States Geological Survey (USGS) has ...

Eastern California is the perhaps the best place in the country to learn geology. The deserts beyond the Sierra Nevada host glacial features, volcanoes and rivers. Beautiful stratigraphic layers are ...

A swarm of more than 20 earthquakes reaching up to 3.8 magnitude rattled San Ramon near San Francisco in Northern California, ...

California’s state geologist has concluded that an active earthquake fault is underneath a massive proposed skyscraper project in Hollywood, setting the stage for a huge battle at City Hall over ...

The earth and geologic time. Earth materials -- Geologic time -- Plate tectonics -- Southern California through geologic time. Overview of the geologic history of Southern California -- Proterozoic ...

Like Italy, California is a restless landscape straddling two major tectonic plates. But while our earthquake risks are similar, the seismic forces that underlie both regions are quite different. Our ...

Once upon a time, when roads were less crowded and freeways filled the need for speed, people often stopped their cars at roadsides to look around. That was decades ago, and many California drivers — ...