A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near ...

Human activity can cause “healed” faults to release their stored strength, triggering unexpected quakes in tectonically stable regions.

Yellowstone has erupted three times in the past 2.1 million years, and each event buried large portions of North America ...

A magnitude 4.7 earthquake struck off the southern coast of Mexico, centered about 50 miles south-southwest of La Esperanza.

A common misconception about research is that it takes place in climate-controlled labs with microscopes, beakers, and Bunsen ...

In a recent Science study, researchers used 15 kilometers of telecom fiber near Mendocino, Calif., to record the region’s ...