The quake ruptured in the Mendocino fault zone, at the intersection of three tectonic plates: the Pacific, North American and Juan de Fuca plates. “This is the exact point where the Cascadia ...

The fault spans 800 miles from Cape Mendocino in the north to the Salton Sea in the south. The 'Big One' would cause roughly 1,800 deaths, 50,000 injuries and $200 billion in damages, according to ...

A 7.0-magnitude earthquake that hit off the Northern California coast didn’t produce a significant tsunami, but it struck a region likely to see a devastating tsunami one day — a reminder of ...

the San Andreas Fault, the Cascadia Subduction Zone, and the Mendocino Fault. The grinding and shifting of these tectonic plates are a stark reminder that the threat of a powerful earthquake is ...