Overview
- USGS measured the offshore earthquake near Aomori at magnitude 7.6 around 15:00 UTC, with a depth of about 53 kilometers.
- The Japan Meteorological Agency issued tsunami alerts for Aomori, Iwate and Hokkaido, forecasting waves up to three meters.
- Authorities advised people near coasts, rivers and lakes to move immediately to higher ground, with the first wave expected around 23:40 local time.
- High‑speed Shinkansen services were suspended in northeastern regions and the shaking was felt as far as Tokyo.
- Officials reported no abnormalities at the Fukushima, Higashidori and Onagawa nuclear plants and early reports indicated no confirmed damage.