SAN DIEGO COUNTY, CA - A preliminary 2.1 magnitude quake occurred near Borrego Springs on Tuesday morning, according to the U ...

Over 350 earthquakes, the largest at 4.7 magnitude, have rattled the Brawley area of Imperial County this weekend, thanks to ...

There have been more than 400 tremors recorded in this swarm as of May 11. How unusual is this?

MENDOCINO COUNTY, CA - A preliminary 2.7 magnitude quake rattled close to Redway on Monday morning, the U.S. Geological ...

SAN BERNARDINO COUNTY, CA - A preliminary 3.4 magnitude quake shook near Muscoy on Friday night, the U.S. Geological Survey ...

Southern California and southwest Arizona are on earthquake alert after a swarm shook Imperial County.

Nearly 200,000 people in Southern California felt shaking after hundreds of earthquakes rattled the Imperial County desert ...

A moderately strong, 5.7-magnitude earthquake struck in Mexico on Monday, according to the United States Geological Survey. The temblor happened at 9:19 a.m. Central time about 1 ...

Two of the most dangerous fault systems on the U.S. West Coast may be more connected than scientists once thought. New ...

An earthquake with a magnitude of 7.4 struck off Japan's northern coast, prompting a temporary tsunami alert across the region.