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.

A National Park Service spokesperson said animals are not leaving Yellowstone in large numbers, and a volcanic eruption is thousands of years away.

A 5.0-magnitude earthquake was reported in Alaska on Monday (July 21), according to the United States Geological Survey. The ...

The 1.6 magnitude earthquake occurred west of Morris Plains at around 5:40 a.m., according to the U.S. Geological Survey's earthquake map.

The quake was centered about 2 miles west of Morris Plains and reportedly was felt as far south as the Baltimore area.