A megathrust earthquake is coming for the Pacific Northwest. But new imaging of undersea faults and fractures has given ...

Four earthquakes up to magnitude 4.0 shook Louisiana, raising questions about hidden faults, seismic risks, and the region’s rarely studied geology.

A magnitude 2.9 earthquake struck near Home, Washington, early Wednesday.

What appears to be such a pleasant meeting-place of the well-known rifts, in the Northern part of California, is proving to be something bigger and more dangerous than the maps indicate. Recent ...

The last week has seen earthquakes in the usual places and some in areas not often as active. There were earthquakes on the Mendocino fault, an interesting sequence in the northern Gorda plate, and an ...