M 4.5 earthquake: North Atlantic Ocean (Portugal) — July 30, 1979

M 4.5 earthquake: North Atlantic Ocean (Portugal) — July 30, 1979. Epicenter 1744 km SW of Horta, depth 10 km, 12:20 Local (1979-07-30 15:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1744 km SW, Portugal) — 28.984, -43.667

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