No tsunami is expected after a magnitude 5.8 earthquake struck off the coast of Oregon near the California border on Monday night, according to the U.S. Tsunami Warning System. The earthquake struck ...

An earthquake with a preliminary magnitude of 6.8 struck about 100 miles off the coast of Northern California Thursday morning, according to the U.S. Geological Survey. The quake struck at 6:50 a.m.

A program, “Tsunamis – Near Source vs. Distance Source Events: What went right, what went wrong,” is slated for Thursday at Humboldt Grange No. 501, 5845 Humboldt Hill Road, Eureka. Local geologists ...

Global distribution of natural and induced seismicity. Natural earthquakes with moment magnitude higher than 5 are color-coded according to their hypocenter depth (upper right colorbar, U.S.

Earthquakes that shake the ground under Redding are a sign of something bigger happening deep below the far Northern California region, geologists say. The culprit is also responsible for much of what ...