The entire west coast of the U.S. has been alerted to watch for signs of dangerous waves and parts of Canada, Russia and Japan are also under tsunami alerts

Hazardous waves from strong magnitude 8 quake are possible on the coast of Russia and Japan, USGS says

The earthquake was recorded at about 78 miles east-southeast of of Petropavlovsk-Kamchatsky, Russia, according to the U.S. Geological Survey.