Powerful earthquake off Japan's coast prompts tsunami warning
According to Japan's national broadcaster NHK, a "major tsunami warning" was issued Monday after a powerful earthquake struck north of the country's main island.
The Japan Meterological Agency reported a quake hitting Ishikawa and nearby prefectures, one of them measuring a preliminary magnitude of 7.4. The U.S. Geological Survey showed one quake with a preliminary magnitude of 7.5.
There were warnings of possible tsunami as high as 5 meters (yards) in the Ishikawa prefecture, and presenters on the national broadcaster urged people in the region to move quickly to higher ground.
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