earthquakes

A swarm of 200 earthquakes hit Yellowstone National Park, but seismologists still aren't sure what that means.

California has a 93 percent chance of a magnitude-7 or greater earthquake occurring by 2045. Early warning systems, now in development, could limit casualties and damage.

A 7.9-magnitude earthquake struck off Kodiak, Alaska, this morning. A tsunami warning is in effect for parts of Alaska and British Columbia, Canada.

A magnitude-4.4 earthquake just hit Delaware Bay, Delaware, surprising people in The First State, a place typically unaccustomed to tremblers.

The slowdown in Earth's rotation could trigger more earthquakes next year, new research suggests.

Yes.

Suspected link to nearby volcano range found in world's largest mud volcano eruption.

It's possible the quakes happened independently of each other.