The recent, small earthquakes that rattled the New York metro area serve as a reminder that seismic activity does occur in the region, according to experts, who say it's actually quite common. Two ...

The most violent of the 19 earthquakes measured by the U.S. Geological Survey was a magnitude 4.2 shaker that was centered about 2½ miles southeast of downtown San Ramon. Quakes of 3.8, 3.3, 3.1 and 3 ...