A fasincating map ... earthquakes rocked Southern California and Mexico overnight in just 25 minutes. According to an ...

“The hazard has increased, but it has always been high,” said Petersen, who is a supervisory research geophysicist with ...

This USGS map of the California-Nevada region displays quakes with ... or click “List of earthquakes on this map” for a full rundown, with magnitude, time, location, and depth.

Residents around Las Vegas may have felt a small overnight shake after a 4.7 magnitude earthquake was detected in Stovepipe Wells, California at 1:05 a.m. Friday, according to the USGS.

The magnitude 3.6 quake then occurred at 5:32 p.m., also 27 miles from Avalon, the USGS ... of 234 earthquakes with magnitudes of 3.0 to 4.0 occur each year in California and Nevada, according ...