A tsunami warning issued for Hawaii after one of the strongest earthquakes ever recorded, an 8.8 magnitude in Russia's Far East, was canceled after small waves peaked.

A powerful earthquake that struck off the coast of Russia has generated tsunami warnings and advisories for a broad section of the Pacific, including Alaska, Hawaii and the U.S. West Coast

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