M 4.5 earthquake: North Atlantic Ocean (Portugal) — May 13, 2026

M 4.5 earthquake: North Atlantic Ocean (Portugal) — May 13, 2026. Epicenter 1757 km SW of Horta, depth 10 km, 08:17 Local (2026-05-13 11:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1757 km SW, Portugal) — 28.6714, -43.5197

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