M 4.5 earthquake: North Atlantic Ocean (Portugal) — October 10, 1989

M 4.5 earthquake: North Atlantic Ocean (Portugal) — October 10, 1989. Epicenter 1246 km N of Angra do Heroísmo, depth 10 km, 03:01 Local (1989-10-10 05:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1246 km N, Portugal) — 49.827, -28.374

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