A tsunami warning has been issued for Hawaii, where waves set off by an 8.8-magnitude earthquake in Russia’s remote Far East are expected to arrive after 7 p.m. local time.

Russia’s magnitude 8.8 earthquake spawned serious tsunami warnings, but waves have been moderate so far. Here’s the geological reason why

The entire U.S. West Coast was facing a tsunami threat after an 8.8 magnitude earthquake erupted off Russia's eastern coast on Tuesday. A tsunami warning was issued in Hawaii, Northern California and in Alaska,