One of the most powerful earthquakes in modern history shook Russia’s remote east coast Wednesday, sending tsunami waves hurtling across the Pacific Ocean and putting nations from Japan to the United States to Chile on high alert with millions urged to evacuate.

Tsunami alerts were issued for Alaska and Hawaii on Tuesday after a major, 8.8 magnitude earthquake struck off the coast of Russia, according to officials.

Watch a live view of beach and hotels in Hawaii on Wednesday (30 July) after authorities issued tsunami warnings following a massive earthquake off Russia’s Kamchatka peninsula. Tsunami waves have already hit Russia and Japan after one of the strongest recorded earthquakes at an 8.