California sits on an active plate boundary where the Pacific and North American plates grind past each other, producing ...

Earthquakes happen when the Earth’s crust suddenly shifts. The crust is broken into large pieces called tectonic plates, which fit together like a jigsaw puzzle. These plates only move a few ...

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.

Volcano Watch” is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 6.0 Earthquake on Hawaiʻi Island (5.22.26) PC: USGS More ...

The most recent, a 1.2-magnitude tremor, hit about 2 ½ miles northeast of San Ramon at 4:05 p.m. Sunday, Nov. 23. Getty Images/iStockphoto A swarm of small earthquakes has been rattling a Bay Area ...

Earthquakes in the American state of Utah, the Soultz-sous-Forêts region of France or in the Dutch province of Groningen should not be able to occur even if the subsurface has been exploited for ...