The Pacific Tsunami Warning Centre has issued a warning for Russia's Kamchatka Peninsula after two quakes — the larger with a magnitude of 7.4 — struck in the sea nearby on Sunday. The larger quake was at a depth of 20 kilometers and was 144 kilometers east of the city of Petropavlovsk-Kamchatsky, which has a population of 180,000.

A powerful magnitude 7.5 earthquake struck off Russia’s Kamchatka Peninsula early Sunday, just 19 minutes after a 7.0 quake in the same region. The Pacific Tsunami Warning Center issued alerts for Japan and Hawaii,