M 4.6 earthquake: North Atlantic Ocean (Portugal) — April 4, 2024

M 4.6 earthquake: North Atlantic Ocean (Portugal) — April 4, 2024. Epicenter 538 km SW of Horta, depth 10 km, 11:47 Local (2024-04-04 13:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (538 km SW, Portugal) — 36.0555, -33.8699

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