Tsunami Warning Downgraded in Hokkaido, Sanriku Coast Following M7.7 Earthquake in Japan's Tohoku
- Posted on April 20, 2026
- By The Japan News
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Tsunami Warning Downgraded in Hokkaido, Sanriku Coast Following M7.7 Earthquake in Japan's Tohoku
All tsunami warnings have been downgraded to tsunami advisories as of 8:15 p.m., the Japan Meteorological Agency announced.