Coastal communities from northern California to British Columbia live atop the Cascadia Subduction Zone, which spans about ...

A new geological fault has started to show signs of movement along the U.S. coastline, and scientists are watching closely.

Several earthquakes with epicenters beneath the ocean surface rattled the Northern California coastline early Monday. The ...

The "Comprehensive Offshore Resource Enhancement Act", or CORE Act, calls for a government-led fossil fuel inventory of the ...

Scientists have detected unusual activity along the San Andreas Fault, sparking concerns that a major earthquake could be ...

Alaska, Hawaii and areas along the mainland West Coast would be at risk if an earthquake erupts along the Cascadia subduction ...

A 6.1 magnitude earthquake shook southern Greek islands Thursday. The epicenter was in the sea 58 kilometers (36 miles) north-northeast of Elounda, which is on the northern coast of Crete. It was 69 ...

There are San Andreas faults in many places. They happen where two rigid continental masses slide past each other at fairly rapid pace. The San Andreas fault separates (‘connect’ would be the ...

Multiple notable earthquakes ... which fault line a quake originated along, the USGS said, because of how well-studied some of those plate boundaries are. But on the East Coast, the nearest ...

"East of the Rockies, an earthquake can be felt over an area more than ten times larger than a similar magnitude earthquake on the west coast," the ... famed New Madrid fault line.

This earthquake did not hit directly along the San Andreas fault, as it was about 60 miles east of the fault. Along California’s north coast, the third earthquake hit at 10:13 p.m. near the ...

An underwater fault line along the US West Coast ... for comparison. If an earthquake of over 9 magnitude struck the West Coast US it could generate tsunamis reaching 100 feet high or more ...