A light, 4.9-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.
What do small earthquakes beneath Kilauea summit mean for the ongoing eruption? – Features, Volcano Update | West Hawaii ...
The U.S. Geological Survey (USGS) crowdsourcing platform Did You Feel It? (DYFI) rapidly transforms people's earthquake ...
Over the last few days, the Coachella Valley has experienced more than 20 earthquakes, causing concern among some residents.
SAN FRANCISCO – Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder – the U.S. Geological Survey is on the case and can almost immediately tell you whether ...