— 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, ...

Here's what we know about what caused the earthquake off Russia's Far East and why the tsunami it generated weren't as big as anticipated. The aerial view of the city of Severo-Kurilsk shows flooding ...

Each Yellowstone earthquake swarm is unique, lasting minutes to weeks and including a few to thousands of earthquakes that might or might not move around over time. With long-term investments in ...

Scientists are investigating the cause of recent regional earthquake activity that affected Kentucky over the weekend. A small 2.8 magnitude earthquake was recorded in Nicholasville in the early ...

A magnitude 7.4 earthquake struck off the coast of the southern Philippines on Friday, killing at least six people and ...

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