A study on tectonic plates that converge on the Tibetan Plateau has shown that Earth's fault lines are far weaker and the ...

A minor, 3.8-magnitude earthquake struck in the San Francisco Bay Area on Monday, followed by a larger 4.2 magnitude ...

At least 33 earthquakes of magnitude 1.3 or higher struck within about 90 minutes Monday morning, with most centered near San Ramon, California.

A massive blob deep under Hawaii seems to be solid and iron-rich, new research finds. This blob — scientifically known as a mega-ultralow velocity zone — may anchor the Hawaii hotspot, an area where ...

The intimidatingly named Gates of Lodore marks the entrance to the 700-metre deep Canyon of Lodore that slices straight ...

A series of earthquakes rocked a Bay Area city on Feb. 2. Did you feel it? San Ramon was hit by a cluster of quakes starting ...

Data from the USGS shows the seismic events have ranged in strength from 2.5 up to 4.2 in magnitude.

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.2 magnitude quake struck near San Ramon ...

For the first time, scientists have mapped Antarctica’sburied landscape in high resolution beneath the continent’s thick ice ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 3.0 magnitude quake occurred near San Ramon ...

The largest of the 19 earthquakes measured by the U.S. Geological Survey was a magnitude 4.2 shaker that was centered about ...