M5.3 Earthquake Recorded Near Kamchatka and Commander Islands, Russia

KAGSR Russia reports M5.3 near Kamchatka and Commander Islands, Russia, with a 49.8 km catalog depth.

Published 2026-09-23T00:23:36.082Z · Updated 2026-09-23T01:51:15.305Z

Update: the reporting agency revised this event's catalog depth from 43.0 km to 49.8 km.

The event began at Tue, 22 Sep 2026 13:56:09 GMT. KAGSR Russia reports magnitude 5.3, 49.8 km catalog depth, and coordinates 50.166, 157.335.

The catalog location label is Kamchatka and Commander Islands, Russia; no separate nearest-city field was supplied with this solution. By catalog depth, this is an intermediate-depth event. The magnitude-derived energy estimate is 5.62e+12 joules, or about 1,344 tons of TNT equivalent; that calculation describes source energy, not local damage.

The current catalog entry does not include a public felt-report count. No separate intensity or catalog-significance detail is available from this provider record. No official casualty or damage statement is attached to the normalized event evidence.

The KAGSR Russia catalog currently marks the solution as official. No station-count, phase-count, residual, gap, or uncertainty fields were supplied in the normalized record. No alternate network solution is attached to this record.

The provider record does not carry a tsunami flag at publication time. Magnitude, depth, and location can change as monitoring networks add observations and review the solution.