Tsunami In California 2025. A large earthquake struck the northern california coast on thursday, rattling communities and activating emergency alerts for both shaking and tsunami risks just before. A tsunami warning was issued across northern california on thursday morning following a magnitude 7 earthquake.

A large earthquake struck the northern california coast on thursday, rattling communities and activating emergency alerts for both shaking and tsunami risks just before. Coastal areas in northern california began evacuating residents after a 7.0 earthquake off humboldt county’s coast prompted a tsunami warning.