M 4.8 earthquake: North Atlantic Ocean (Portugal) — March 13, 1989

M 4.8 earthquake: North Atlantic Ocean (Portugal) — March 13, 1989. Epicenter 1643 km SW of Horta, depth 10 km, 02:41 Local (1989-03-13 05:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1643 km SW, Portugal) — 29.75, -43.044

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