LOS ANGELES COUNTY, CA - Sunday morning, a preliminary 2.1 magnitude quake was recorded close to Los Angeles, according to ...

MONTEREY COUNTY, CA - A preliminary 2.2 magnitude quake was recorded close to San Ardo Saturday morning, the U.S. Geological ...

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San ...

A future mega-earthquake in the Pacific Northwest could lead to the "Big One" along the San Andreas fault in California-or ...

SONOMA COUNTY, CA - According to the U.S. Geological Survey, a 2.6 magnitude quake rattled close to The Geysers Tuesday night. At 10:54 p.m., the region was shaken by a tremor. The earthquake struck ...

California was shaken early Thursday as a series of earthquakes struck in quick succession, raising concern in the seismically active region. The US Geological Survey (USGS) reported six tremors ...

A recent study suggests the Cascadia subduction zone and the San Andreas fault may be synchronized, with seismic activity on ...

Yellowstone is moving, but there's another supervolcano that is also showing signs that it's active in the U.S. It's cooling ...

ALAMEDA COUNTY, CA - According to the U.S. Geological Survey, a 4.3 magnitude quake rattled close to Berkeley Monday morning. The tremor jolted at 2:56 a.m., with its epicenter situated roughly 1 mile ...

HUMBOLDT COUNTY, CA - Wednesday night, a 2.7 magnitude quake was recorded close to Petrolia, according to the U.S. Geological Survey. At 10:43 p.m. (9:43 p.m. local time), the region was rattled by a ...

SAN BENITO COUNTY, CA - A preliminary 2.2 magnitude quake was registered close to Pinnacles Monday morning, according to the U.S. Geological Survey. A tremor struck the area at 10:02 a.m. The ...