Tsunami Warning Downgraded in Hokkaido, Sanriku Coast Following M7.7 Earthquake in Japan's Tohoku
- Posted on April 20, 2026
- By The Japan News
- 0 Views
- 1 min read
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.