Overview

• A magnitude 7.4 earthquake struck at 6:58 a.m. local time on September 19 about 93 kilometers from Petropavlovsk-Kamchatsky at a depth of 123 kilometers.
• From 9:00 on September 19 to 8:00 on September 20, the regional geophysical service recorded 124 earthquakes in the area.
• Twenty-five tremors were felt in Petropavlovsk-Kamchatsky, according to the service’s Telegram update.
• Most aftershocks have not been felt in population centers, researchers reported.
• The July 30 mainshock measured magnitude 8.8, the region’s strongest since 1952.