M7.6 Earthquake Hits East Japan; Tsunami Waves Are Reaching Hokkaido, Aomori and Iwate Prefectures

The Japan News

23:40 JST, December 8, 2025

M7.6 earthquake occurred in off the east coast of Aomori Prefecture around at 11:15 p.m. on Monday. Tsunami warnings are in effect for coastal regions in Aomori, Iwate and Hokkaido prefectures.

An upper 6 on the Japanese seismic intensity scale of 7 was recorded in Hachinohe, Aomori Prefecture. A lower 6 in Oirase and Hashikami in the prefecture; an upper 5 in Noheji and other areas in the prefecture, Hakodate in Hokkaido and Karumai in Iwate Prefecture.

The first tsunami reached Muroran Port in Hokkaido at 11:19 p.m. and Urakawa at 11:38 p.m., both recording a maximum height of 40 centimeters.

Three-meter-high tsunami waves are expected to reach central Pacific coast of Hokkaido, Pacific coasts of Aomori and Iwate prefectures.

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