M5.1 Shallow Earthquake Recorded Near AZORES ISLANDS, PORTUGAL

Updated: EMSC Global downgraded this solution from M5.2 to M5.1. EMSC Global reports M5.1 near AZORES ISLANDS, PORTUGAL, with a 5.0 km catalog depth.

Published 2026-10-20T18:19:14.547Z · Updated 2026-10-20T19:03:31.048Z

Update: the reporting agency changed this event's magnitude from M5.2 to M5.1. The current value is shown throughout this brief; the earlier value is retained here as revision history.

The event began at Tue, 20 Oct 2026 18:07:20 GMT. EMSC Global reports magnitude 5.1, 5.0 km catalog depth, and coordinates 37.785, -25.357.

The catalog location label is AZORES ISLANDS, PORTUGAL; no separate nearest-city field was supplied with this solution. By catalog depth, this is a shallow event. The magnitude-derived energy estimate is 2.82e+12 joules, or about 674 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.

EMSC Global 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.