Tremors from a 2.9 magnitude earthquake in Ontario, just south of Detroit, registered across southeast Michigan and northwest Ohio. Here's the explanation.

When an earthquake rupturing along a fault hits a barrier, it creates a seismic signature called the “stopping phase.” ...

A simple explanation of how tectonic plate movement leads to earthquakes, and how scientists study and measure these natural events.

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 ...

The U.S. Geological Survey was still trying to unravel how an alert was sent Thursday morning for a nonexistent 5.9 earthquake outside Dayton, Nevada. A quake of that size wouldn't be implausible.

A swarm of at least a dozen earthquakes reaching up to magnitude 3.9 rattled San Ramon near San Francisco, the U.S. Geological Survey reports. The other quakes in the Saturday, Dec. 21, swarm ranged ...