Overview

• The regional branch of the Russian Academy of Sciences reported a magnitude‑7.2 earthquake at 18:58 UTC with coordinates 53.38N, 159.92E and a depth of about 123 km.
• USGS estimated the magnitude in the 7.4–7.8 range and logged four aftershocks of 5.8, 5.4, 5.6 and 5.1 near Petropavlovsk-Kamchatsky.
• NOAA first warned that hazardous waves were possible within 1,000 km of the epicenter, then stated the tsunami threat from this event had passed.
• Governor Vladimir Solodov placed services on heightened readiness with local guidance forecasting waves of 0.1–1.5 m at specified points, inspections found no damage, and officials noted a roughly 30 cm wave at the Nalychevo estuary.
• On the Kuril Islands, regional authorities issued a local tsunami alert linked to a separate M7.6 event with expected waves up to 0.2 m and precautionary coastal evacuations.