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

A tsunami like this would wipe out big swaths of coastal cities like Seattle and Portland, and threaten lives of millions of ...

Could a monster earthquake sink a portion of Northern California? A new study calculates the risk of where and how much land ...

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active ...

The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

(Reuters) -An earthquake of magnitude 6.3 struck the island of Crete in Greece on Wednesday, the German Research Centre for Geosciences (GFZ) said. The quake was at a depth of 83 km (51.57 miles), GFZ ...

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 ...

At 4.1 magnitude near Greenback, the May 10 quake was large for our area. Experts look back on the last earthquakes to ...

Is there something in California’s water that induces the state’s bureaucrats to make boneheaded errors of judgment? It would seem so, given the sorry history of monumental screwups.

A 3.2-magnitude earthquake rattled parts of California on Wednesday. The US Geological Survey (USGS) detected the tremor at 9:33am PT, just 2.8 miles off the coast of Malibu Beach. Shaking was ...