Science ❯ Earth Sciences ❯ Geology ❯ Seismology

Earthquake Studies

Magnitude 4.6 Quake Rattles Bay Area From Epicenter Near Boulder Creek

Early warnings reached hundreds of thousands of phones, with aftershock odds still elevated.

Strong, Shallow Quake Shakes Japan’s Shimane Prefecture as JMA Warns of Aftershocks

Study Finds Cascadia Megathrust Often Triggers Northern San Andreas in Closely Timed Quakes