For U.S. seismologists, Japan’s “megaquake” warning last week renewed discussion about when and how to warn people on the West Coast if they find elevated risk of a major earthquake.

A powerful 6.0 magnitude earthquake struck off the coast of Greece early this morning, prompting urgent warnings for residents and tourists to evacuate coastal areas as a precaution against a ...

Rumors in Hong Kong and other Asian cities of a major earthquake or a tsunami in July in Japan have led to flight ...

An image of a USGS map showing the epicenter of the earthquake that struck in the ... p.m. UTC (2:55 p.m. ET), nearly six hours after the major quake. "The speed of tsunami waves depends on ...

Istanbul is perched atop the North Anatolian Fault, one of the world’s most active and dangerous fault lines. Over the centuries, this region has been rocked by dozens of major earthquakes.

A major, 7.4-magnitude earthquake struck in Chile on Thursday, according to the United States Geological Survey. The temblor happened at 9:50 p.m. Chile time about 28 miles southeast of San Pedro ...