Powerful earthquake shakes Japan and triggers tsunami warning

A powerful earthquake struck off the coast of northern Japan on Monday, triggering a tsunami warning, the Japan Meteorological Agency said.

The agency said the 7.6 magnitude earthquake occurred off the coast of Hokkaido, near the coastal city of Aomori, with an epicenter about 30 miles below the sea surface.

It issued a warning in the region for a tsunami of up to 10 feet.

Nuclear power plants in the region are carrying out safety checks, public broadcaster NHK reported.

The U.S. National Tsunami Warning Center said there was no tsunami danger for the U.S. West Coast, Canada’s British Columbia or Alaska.

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