Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

A brief tsunami warning was issued for Puerto Rico, the U.S. Virgin Islands and the British Virgin Islands on Saturday ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But do other planets in the solar system have them too?

A 7.6 magnitude earthquake struck the Caribbean Sea Saturday evening north of Honduras and southwest of the Cayman Islands.

Santorini's earthquakes are intensifying as a rare earthquake swarm continues to rattle the Mediterranean's Aegean Sea. The ...

A magnitude 7.6 earthquake struck in the western Caribbean on Saturday night, prompting a tsunami advisory for the Cayman ...

On Feb. 7, 1812, there was perhaps the most notable of three large earthquakes that shook the New Madrid seismic zone that ...

Just before 8 a.m. Sunday morning, a 2.0-magnitude earthquake rumbled about 6 miles off the coast of York Harbor, Maine, ...

Thousands of residents are fleeing Santorini after hundreds of earthquakes were recorded near the Greek island in the last 48 ...

The geological survey said, "large earthquakes at this location of the plate boundary are not unexpected" and earthquakes 6.0 and larger have occurred within 250 km of today's earthquake in the ...