Tsunami warnings have been issued in several countries after an 8.8-magnitude earthquake struck off the coast of Russia, with millions evacuated across Russia, the US and Japan

The National Weather Service has issued a tsunami warning for the coast of Northern California from Cape Mendocino to the California-Oregon border. Waves up to 4.8 feet above the tide are forecast to hit Crescent City, California, around 11:30 p.m., according to the weather service.

Hawaii officials say the timing of the tsunami warning and evacuation orders following this week's massive earthquake off Russia helped make for severe traffic congestion in some areas