Three of the great tectonic plates that make up the Earth’s crust meet at the Mendocino Triple Junction, off the Humboldt ...

The tremor occurred at 6:54 a.m. Pacific Time, approximately 14 miles northeast of Alum Rock, California, according to data ...

Seismologists have discovered hidden faults at the Mendocino Triple Junction by tracking tiny earthquakes using a new ...

A magnitude 6.0 earthquake struck off the Oregon coast Thursday evening about 190 miles west of Coos Bay, with a smaller ...

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

Donald Trump has renewed global focus on Greenland and the Arctic. The Arctic Circle-- and the sovereignty of its biggest ...

When oyster farmer Luke Saindon went looking for a place to grow shellfish in Maine, he knew that picking the wrong patch of ...