One of the strongest earthquakes ever recorded struck Russia’s Far East early Wednesday, sending tsunami waves into Japan, Hawaii and the U.S. West Coast. No substantial damage has been reported so far,

A massive 8.8 earthquake struck off Russia’s eastern coast early Wednesday, triggering tsunami warnings across the Pacific and along the U.S. West Coast.

Residents fled inland as ports flooded on Kamchatka, while frothy, white waves washed up on the shore in northern Japan. Cars jammed streets and motorways in Honolulu, with standstill traffic even in areas away from the sea.