M 4.8 earthquake: North Atlantic Ocean (Portugal) — September 29, 1989

M 4.8 earthquake: North Atlantic Ocean (Portugal) — September 29, 1989. Epicenter 746 km N of Angra do Heroísmo, depth 10 km, 19:31 Local (1989-09-29 21:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (746 km N, Portugal) — 45.334, -28.023

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