M 4.8 earthquake: North Atlantic Ocean (Portugal) — November 27, 1975

M 4.8 earthquake: North Atlantic Ocean (Portugal) — November 27, 1975. Epicenter 583 km N of Angra do Heroísmo, depth 33 km, 06:25 Local (1975-11-27 08:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (583 km N, Portugal) — 43.782, -28.654

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