M 4.8 earthquake: North Atlantic Ocean (Portugal) — January 18, 1985

M 4.8 earthquake: North Atlantic Ocean (Portugal) — January 18, 1985. Epicenter 1610 km SW of Horta, depth 10 km, 20:16 Local (1985-01-18 23:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1610 km SW, Portugal) — 29.957, -42.804

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