M 4.6 earthquake: North Atlantic Ocean (Portugal) — September 26, 1989

M 4.6 earthquake: North Atlantic Ocean (Portugal) — September 26, 1989. Epicenter 1772 km SW of Horta, depth 10 km, 10:36 Local (1989-09-26 13:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1772 km SW, Portugal) — 28.632, -43.69

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