A minor, 3.9-magnitude earthquake struck in the San Francisco Bay Area on Monday, according to the United States Geological ...
An curved arrow pointing right. The US Geological Survey (USGS) estimates that millions of earthquakes occur every year, but only one of them will be a "great earthquake" — that is, one with a ...
The temblor happened at 10:34 a.m. Atlantic time about 4 miles southwest of Tallaboa, Puerto Rico, data from the agency shows. Hours later, another minor earthquake, this time with a magnitude of 3.6, ...