Overview
- The United States Geological Survey recorded the magnitude-8.7 quake at a shallow depth of 19.3 km about 125 km east-southeast of Petropavlovsk-Kamchatsky early Wednesday.
- Regional emergencies minister Sergei Lebedev reported 3–4 m tsunami waves on Kamchatka’s shore, causing infrastructure damage but no injuries or fatalities.
- Japan Meteorological Agency and US warning centers issued alerts from Hokkaido to Wakayama, extended warnings through Hawaii and Alaska, and watches along the US West Coast, prompting widespread evacuations to higher ground.
- Initial tsunami swells reached Nemuro in Hokkaido and Severo-Kurilsk in the Kuril Islands, where officials ordered residents to move to safety.
- Tokyo Electric Power Company evacuated all personnel from Fukushima Daiichi as a precaution and confirmed no abnormalities at the facility.