Overview
- A magnitude 7.6 earthquake struck around 23:15 local time with an epicenter about 80 kilometers off Aomori at a depth of 50 kilometers.
- The Japan Meteorological Agency issued tsunami warnings for Hokkaido, Aomori, and Iwate, with advisories reported for Miyagi and Fukushima as coastal evacuations were ordered.
- Observed waves reached about 70 centimeters at Kuji and 50 centimeters at Urakawa, prompting downgrades and, in some areas, later lifting of tsunami alerts.
- Japan’s disaster agency reported 23 injured and three missing, and a magnitude 5.7 aftershock followed roughly 15 minutes after the main quake.
- Operators reported no irregularities at the Onagawa and Tomari nuclear plants, and TEPCO said Fukushima Daiichi implemented precautions with no anomalies noted.