SONOMA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.4 magnitude quake occurred near The Geysers ...

Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia ...

SONOMA COUNTY, CA - A preliminary 2.1 magnitude quake was reported close to Cobb Wednesday night, according to the U.S.

San Diego County homeowners now have a rare opportunity to act. Now through Oct. 1, the Earthquake Brace + Bolt program, administered by the California Residential Mitigation Program, is accepting ...

After the devastating earthquake in Myanmar, scientists believe that future earthquakes along the San Andreas fault could be unlike anything ever seen before.

An earthquake with a preliminary magnitude of 3.1 struck in Colusa County on Wednesday, the U.S. Geological Survey said.

The last big earthquake triggered by the notorious fault was in 1857. Now, it is set to rupture again with record-breaking ...

A chance video captured a fault rupture during March’s devastating Myanmar earthquake, delivering real-time evidence of how major seismic tremors propagate.

The Portland Timbers face a tough task in their next MLS match as they travel to play Western Conference leaders San Diego FC ...

In March, the observatory said it had measured “significantly elevated volcanic gas emissions" from Mount Spurr and said signs indicated an eruption was likely, though not certa ...