An earthquake can begin without warning. One moment you are at home, the next a loud crash echoes through the room as dishes ...

If you’re a Californian, earthquakes may no longer be a source of uneasiness. At times, we have them so frequently that they seem to become part of the ebb and flow. Nonetheless, it doesn’t mean we ...

HUMBOLDT COUNTY, CA - A 2.8 magnitude quake occurred close to Petrolia on Sunday morning, the U.S. Geological Survey reported ...

Earthquakes usually strike without warning. But sometimes they come in clusters — dozens or even hundreds of small quakes concentrated in one area over days or weeks. Geologists call these clusters ...

University of Delaware geologist Jessica Warren has contributed to research that brings us one step closer to better ...

There have been more than 400 tremors recorded in this swarm as of May 11. How unusual is this?

KERN COUNTY, CA - A preliminary 2.2 magnitude quake occurred near Johannesburg on Wednesday evening, the U.S. Geological ...