Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

The earthquake, with a preliminary magnitude of 7.3, struck south of Sand Point, a community of about 600 people on Popof ...

On July 21, 1952, a magnitude 7.5 earthquake in Kern County was strongly felt in the Valley, shaking residents ...

After a 7.3 magnitude earthquake struck Alaska’s southern coast, the National Weather Service downgraded the initial tsunami ...