Researchers are sounding an alarm about an earthquake fault along the Northern California coast. A new study shows a large ...

One of the most dangerous fault lines that threatens the United States lurks off the coast of the Pacific Northwest, capable ...

A new study warns that a megathrust earthquake along the Cascadia Subduction Zone could cause coastal land to sink ...

Data shows parts of the state may be overdue for a major earthquake. But here's the catch: We can't predict exactly when or ...

These are the fault lines in Northern California •California’s north coast has a long history of strong earthquakes Around 55 ...

Using underwater mapping techniques, scientists have mapped the Cascadia Subduction Zone - a 600-mile fault line extending ...

The magnitude 5.2 earthquake that shook most of Southern California on Monday did not result in any reported injuries or damage. But the stronger-than-expected tremor has brought into focus its source ...

Below California ... Northern California was the great 1906 earthquake, which ruptured the San Andreas between Humboldt and Santa Cruz counties and destroyed much of San Francisco. The Elsinore ...