RIVERSIDE COUNTY, CA - Monday morning, a preliminary 2.1 magnitude quake was registered close to Winchester, according to the ...

The earthquakes both struck at a shallow depth of approximately 10 kilometers, or about 6 miles below the surface.

Down in California, the San Andreas Fault marks the boundary where the North American and Pacific plates are sliding past ...

The relationship between the sites means an earthquake in one zone can trigger an earthquake in the other in a phenomenon ...

Residents of the US’s West Coast have long feared “The Big One” – the apparently inevitable massive earthquake that will one day hit where the Pacific tectonic plate meets its North American neighbor.

Philippine seismologists say that a new offshore earthquake with a preliminary 6.8 magnitude hit the same southern region ...

A mega-earthquake might be triggered by two volatile faults, striking in unison, with one quake nudging the other into ...

Lasting only a minute, it shook Pioneer Square with vigor and rattled office and convention centers from Seattle to Olympia ...

Two earthquakes struck New Jersey just days apart earlier this month. Officials say more earthquakes are possible due to the location of the recent quakes. Nearly 25 earthquakes have already hit the ...

A 7.6-magnitude earthquake struck off the coast of a southern Philippine province this morning, prompting tsunami warnings and mass evacuations along coastal provinces. The Pacific Tsunami Warning ...

The USGS shows that five earthquakes rattled the region over the last 24 hours, ranging in strength from magnitude 4.8 to 5.5 ...