According to USGS data, the seven earthquakes occurred over a span of two days and were centered near the city of Santa Rosa ...

Nearly 90 small earthquakes were recorded near San Ramon in the East Bay this month, according to recordings from the U.S.

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 ...

In the warm afternoons of early autumn, Bay Area residents head for the Coast Range north of San Francisco. They hike, picnic and pluck flowers atop Mount Tamalpais and its sister hills, which ...

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 ...

The geometric structure of rocks where earthquakes occur could play a key role in determining their location and strength, researchers have found. A study, carried out by geologists at Brown ...

Stay on top of what’s happening in the Bay Area with essential Bay Area news stories, sent to your inbox every weekday. See Senior Director of TV Programming Meredith Speight’s recommendations from ...

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 ...

President Obama’s declaration that a large swath of Coast Range land will become the Berryessa Snow Mountain National Monument pleased a lot of people, including lovers of rocks. The park displays ...