Overview
- Japan’s meteorological agency revised the quake to magnitude 7.5 and scaled initial 3‑meter tsunami alerts down to advisories after surges of up to about 50 centimeters were observed.
- The Fire and Disaster Management Agency counted 23 injuries, while Prime Minister Sanae Takaichi later said the government had received reports of 30 injuries and one residential fire.
- Evacuation orders or advisories covered tens of thousands of residents, with some reports citing nearly 90,000 people asked to move to higher ground or shelters.
- Shinkansen and some local rail lines were suspended for safety inspections, roughly 800 homes lost power, and operators reported no abnormalities at the Higashidori and Onagawa nuclear plants.
- The quake struck at 11:15 p.m. local time offshore near Aomori at roughly 80 kilometers from the coast and about 33 miles deep, and officials warned of an elevated aftershock risk in the coming days.