Overview

• Seismic agencies recorded the offshore quake at shallow depths of 10–19 km and reported magnitudes ranging from 6.6 to 7.4.
• The quake’s shallow focus intensified surface shaking felt across Kamchatka’s eastern coastline.
• The U.S. Tsunami Warning System issued an alert for potentially dangerous waves within 300 km of the epicenter along Russia’s Pacific shores.
• Kamchatka lies on the Pacific Ring of Fire, a seismically active zone with historic quakes including magnitude 9.0 in 1952 and 6.7 in 2017.
• Local authorities have mobilized response teams to monitor aftershocks and assess structural damage along affected coastal areas.