M5.4 Earthquake Recorded Near South Sandwich Islands Region

GEOFON GFZ reports M5.4 near South Sandwich Islands Region, with a 78.0 km catalog depth.

Published 2026-10-19T18:23:27.869Z

The event began at Mon, 19 Oct 2026 17:45:48 GMT. GEOFON GFZ reports magnitude 5.4, 78.0 km catalog depth, and coordinates -56.298, -26.846.

The catalog location label is South Sandwich Islands Region; 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 7.94e+12 joules, or about 1,898 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.

GEOFON GFZ has not supplied a review status in the normalized record. 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.