Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 5, 2024, a magnitude 7.0 struck near the Mendocino Triple Junction, triggering a widespread tsunami warning. (USGS) By ...

While seismic activity is not uncommon in the state, experts believe the frequency at which they’re happening is unusual.

Subtle ripples moving through the Earth are something most people will never see, but a group of researchers spent years ...