The southern Mexican state of Guerrero shook Friday morning during a 6.5 magnitude earthquake, according to the United States Geological Survey.

The first earthquake struck while the town was still asleep. Around 2:00 am on Dec. 16, 1811, New Madrid — a small frontier settlement of 400 people on land now located in Missouri — was jolted awake.

A Dec. 5 Instagram post (direct link, archive link) shows a video of the interior of a high-rise dwelling during what appears to be an earthquake. The camera sways and various items around the room ...

An earthquake in America lasted more than 200 years — and some scientists say it never truly ended. In this video, we explore ...

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 ...

The first earthquake struck while the town was still asleep. Around 2:00 am on Dec. 16, 1811, New Madrid—a small frontier settlement of 400 people on land now located in Missouri—was jolted awake.

SAN FRANCISCO ‒ A magnitude 7.0 earthquake struck near the town of Petrolia on Thursday at 10:44 a.m. local time, generating a now discontinued tsunami warning that stretched from southern Oregon to ...