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Overview
- A magnitude 7.6 offshore earthquake struck near Misawa in Aomori around 23:15 local time at roughly 50 km depth, according to JMA and USGS.
- Tsunami alerts for northern prefectures were downgraded or suspended after waves were recorded, with maximum heights reported up to about 70 centimeters.
- Authorities report at least 30 injured and tens of thousands evacuated, with power cuts in Aomori and partial suspensions on JR East lines in the northeast.
- The government says no abnormalities have been detected at regional nuclear plants, including Higashidori and Onagawa, with continued inspections under way.
- JMA urges vigilance for a week due to likely strong aftershocks, and disaster officials issued a rare notice about the possibility of a magnitude 8 quake along nearby trenches.