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

A major, 7.6-magnitude earthquake struck in the Caribbean Sea on Saturday and triggered a tsunami advisory in Puerto Rico and ...

Around 10:30 p.m. on February 10, a 3.3 magnitude earthquake shook parts of North Idaho near the cities of Mullan and Wallace ...

The first earthquake took place just after at 3.03am and hit 2.2 on the Richter scale - the scale used to measure the ...