A map has shown an underwater fault line that could trigger a catastrophic ... a research scientist at the Geological Survey ...
A minor, 3.9-magnitude earthquake struck in the San Francisco Bay Area on Monday, according to the United States Geological ...
Did you feel it? A 3.9 magnitude earthquake struck near Dublin Monday night, according to the U.S. Geological Survey.
A USGS map shows where in California 2.5 magnitude (or greater) earthquakes were recorded in the last seven days—the San Andreas Fault is represented as a thick red line. A USGS map shows where ...