The earthquake occurred just before 6 p.m. local time and was felt across parts of the Coachella Valley and surrounding areas ...

An earthquake swarm is a series of small quakes that “may occur in a region for months without a major earthquake,” according to Britannica.. Getty Images/iStockphoto A swarm of a half-dozen ...

Earthquakes usually strike without warning. But sometimes they come in clusters — dozens or even hundreds of small quakes concentrated in one area over days or weeks. Geologists call these clusters ...

A 4.2-magnitude earthquake has struck near Cloverdale in central California, shaking nearby Santa Rosa, too, the U.S. Geological Survey (USGS) said. The epicenter was around 7.4 miles northeast of ...

SONOMA COUNTY, CA - Thursday morning, a preliminary 2.1 magnitude quake was reported near The Geysers, according to the U.S. Geological Survey. A tremor shook the area at 6:04 a.m. The earthquake's ...

MENDOCINO COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.0 magnitude quake struck near Redway Thursday night. A tremor struck the region at 11:33 p.m. The earthquake's epicenter ...

FRESNO COUNTY, CA - A preliminary 2.6 magnitude quake was registered close to Avenal around midday Friday, according to the U.S. Geological Survey. The tremor, which shook the area at 1:12 p.m., was ...

SONOMA COUNTY, CA - Monday afternoon, a preliminary 2.2 magnitude quake was reported close to The Geysers, according to the U.S. Geological Survey. The tremor, which struck the region at 6:49 p.m., ...

HUMBOLDT COUNTY, CA - A 2.9 magnitude quake was registered near Petrolia Wednesday afternoon, according to the U.S. Geological Survey. It was reported that a tremor rattled the region at 2:39 p.m. The ...