M5.0 Earthquake Recorded Near Bonin Islands, Japan Region

Updated: GEOFON GFZ downgraded this solution from M5.1 to M5.0. GEOFON GFZ reports M5.0 near Bonin Islands, Japan Region, with a 494.4 km catalog depth.

Published 2026-10-26T07:42:18.591Z · Updated 2026-10-26T08:45:58.649Z

Update: the reporting agency changed this event's magnitude from M5.1 to M5.0. The current value is shown throughout this brief; the earlier value is retained here as revision history.

The event began at Sun, 25 Oct 2026 22:14:16 GMT. GEOFON GFZ reports magnitude 5.0, 494.4 km catalog depth, and coordinates 27.874, 139.654.

The catalog location label is Bonin Islands, Japan Region; no separate nearest-city field was supplied with this solution. By catalog depth, this is a deep event. The magnitude-derived energy estimate is 2.21e+12 joules, or about 529 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. Other agency solutions retained for this same origin are EMSC Global M5.3; USGS Week M5.3. These are alternate reported solutions, not additional earthquakes.

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.