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

One of the strongest earthquakes ever recorded struck Russia’s Far East early Wednesday, causing tsunami waves to wash ashore in Japan and Alaska and calls for people around the Pacific to be on ...

One of the strongest earthquakes ever recorded struck Russia's Far East early Wednesday, causing tsunami waves to wash ashore in Japan and Alaska and calls for people around the Pacific to be on ...

One of the strongest earthquakes ever recorded has struck Russia’s Far East, causing tsunami waves in Japan and Alaska and warnings across the Pacific.

Here’s a glance at some of the most powerful earthquakes recorded previously, according to the U.S. Geological Survey.