M 4.9 earthquake: North Atlantic Ocean (Portugal) — November 24, 1976

M 4.9 earthquake: North Atlantic Ocean (Portugal) — November 24, 1976. Epicenter 456 km SW of Horta, depth 33 km, 01:55 Local (1976-11-24 03:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (456 km SW, Portugal) — 36.589, -33.204

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