LIVE: Massive 7.6 Earthquake Triggers Tsunami Warnings Along Japan’s Northeast Coast

A powerful late-night earthquake between magnitude 7.5 and 7.6 struck off the northeastern coast of Japan on Monday, shaking communities across Aomori, Iwate, and Hokkaido and triggering immediate tsunami alerts. The warnings have since been scaled back to advisories, but officials say aftershocks and new seismic activity remain a concern as crews begin assessing the full extent of the damage.

What to Know Right Now

• Magnitude: The quake was recorded at 7.5–7.6 depending on the agency, striking offshore near Aomori and Hokkaido at a depth of about 50 km (31 miles).

• Tsunami Impact: Warnings have shifted to advisories. Waves up to 70 cm reached Kuji Port in Iwate, with smaller surges along nearby coastlines.

• Aftershock Risk: Seismologists warn the region may experience additional strong quakes. Damaged structures should be avoided.

• Megaquake Advisory: A rare advisory now covers 182 municipalities from Hokkaido to Chiba after officials noted a temporary rise in the chance of a magnitude-8-plus event.

• Injuries Reported: At least 33 people have been injured, including one seriously, mostly from falling objects.

• Damage Overview: Early reports show minor structural impacts, including a collapsed road in Aomori and scattered debris in several towns.

• Transport Impacts: Rail services in northern Japan were briefly suspended and are slowly returning to normal.

• Government Response: Prime Minister Sanae Takaichi has activated an emergency task force to guide recovery and public safety measures.

• Nuclear Status: Initial checks at Fukushima, Higashidori, and Onagawa show no abnormalities.

• USGS Alerts: The agency maintains a yellow alert for potential economic losses and a green alert for shaking-related fatalities.