ALAMEDA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.2 magnitude quake occurred close to Berkeley on ...

— James Webb, Mineral Point, Wis. A Chuck DeMets, professor of geophysics at the University of Wisconsin-Madison: Most earthquakes occur when a geological fault, a fracture within the Earth’s crust, ...

SOLANO COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.1 magnitude quake struck close to Vallejo around ...

Paleoseismology uses sand dikes to date ancient earthquakes, crucial for improving building safety and mitigation strategies.

That further analysis made it clear that the formation of that unique upside-down layering, which they call “doublets,” is best explained by earthquakes on both systems spaced closely in time, as ...

In late January, something began to stir beneath the idyllic Greek islands of Santorini, Amorgos, and Anafi. These Aegean ...

What Is a Tsunami and How Does It Form? A tsunami is a series of ocean waves caused by a sudden disturbance, usually an underwater earthquake, that pushes a large amount of water up or down. Most ...

Experts worldwide agree that the "drop, cover and hold on" safety procedure is the best way to protect oneself from falling ...

A series of earthquakes struck more than 100 miles off the Southern Oregon coast on Monday night and early Tuesday morning. The first and largest, at 5.8 magnitude, hit at 9:08 p.m., about 102 miles ...