Authorities warned the risk from the 8.8 magnitude quake could last for hours, and millions of people potentially in the path ...

In the shadow of a recent 8.7 quake, Russia's Kuril-Kamchatka Arc braces for another seismic event, this time at a smaller 6.8 magnitude.

A tsunami has sent waves into Russia, Japan, Hawaii and the West Coast of the United States after an 8.8-magnitude earthquake ...