M5.4 Earthquake Recorded Near Near East Coast of Honshu, Japan

GEOFON GFZ reports M5.4 near Near East Coast of Honshu, Japan, with a 46.6 km catalog depth.

Published 2026-10-01T13:00:05.243Z

The event began at Thu, 01 Oct 2026 12:27:12 GMT. GEOFON GFZ reports magnitude 5.4, 46.6 km catalog depth, and coordinates 35.635, 140.536.

The catalog location label is Near East Coast of Honshu, Japan; 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 7.41e+12 joules, or about 1,772 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.