【Emergency】Strong Earthquake off Aomori Coast – Tsunami Warning Issued (Up to 3m)

At around 23:15 JST on December 8th, 2025, a very strong earthquake struck off the eastern coast of Aomori Prefecture. The quake registered a maximum intensity of Shindo 6+ (M7.2). A Tsunami Warning (up to 3 meters) has been issued for coastal areas in Hokkaido and the Tohoku region.

目次

1. 🔴 Latest Tsunami Observations (Updated 00:03 JST)
2. 📡 Seismic Intensity Map
3. 📺 Live Earthquake Coverage (YouTube)
4. Tsunami Warnings & Advisories (as of 23:30 JST)
   1. ⚠ Tsunami Warning — Evacuate Immediately (Up to 3m Expected)
   2. ⚠ Tsunami Advisory — Coastal Areas Are Dangerous
   3. 🌊 Minor Sea-Level Changes (Below 0.2m)
5. Earthquake Details
6. Summary — Stay Safe and Follow Official Information

🔴 Latest Tsunami Observations (Updated 00:03 JST)

According to the Japan Meteorological Agency (JMA), small tsunamis have already been observed at several coastal locations. Please continue evacuating if you are near the coastline.

Location	Time Observed	Height
Setana (Hokkaido)	23:55	0.2 m
Urakawa	23:50	0.4 m
Mutsu-Ogawara Port	23:43	0.4 m

Tsunamis can arrive in multiple waves. Later waves may become larger — stay evacuated.

📡 Seismic Intensity Map

Seismic intensity map released by the Japan Meteorological Agency (JMA).

Tsunami Warnings & Advisories (as of 23:30 JST)

Earthquake Details

• Date: December 8th, 2025 (23:15 JST)
• Epicenter: Off the Eastern Coast of Aomori Prefecture
• Depth: Approx. 50 km
• Magnitude: M7.2
• Maximum Intensity: Shindo 6+

Strong shaking was felt widely across the Tohoku region, with additional shaking in southern Hokkaido and northern Kanto.