M 4.6 earthquake: North Atlantic Ocean (Portugal) — October 13, 1989

M 4.6 earthquake: North Atlantic Ocean (Portugal) — October 13, 1989. Epicenter 1254 km N of Angra do Heroísmo, depth 10 km, 04:40 Local (1989-10-13 06:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1254 km N, Portugal) — 49.869, -28.781

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