A minor, 3.7-magnitude earthquake struck in Southern California on Thursday. It was followed by a larger, 4.3-magnitude quake ...

At least two people said on social media that they felt the earthquake, according to the U.S. Geological Survey.

A tsunami warning that was then downgraded to an advisory was triggered by a 7.3-magnitude quake in the Gulf of Alaska on Wednesday, according to data from the U.S. Tsunami Warning System, which is ...