A magnitude 8.8 monster off the eastern coast of Russia threatened tens of millions of people with a tsunami risk. So why did ...

A handful of regions around the world regularly unleash terrifyingly large earthquakes. Here are the 21 largest earthquakes ...

A Tsunami Warning is in effect for Northern California following an 8.8 magnitude earthquake near Russia's Kamchatka ...

Tsunami alerts have been issued for parts of Russia, Japan, Alaska, Hawaii and the US West Coast after the earthquake struck ...