M 4.6 earthquake: North Atlantic Ocean (Portugal) — October 12, 1989

M 4.6 earthquake: North Atlantic Ocean (Portugal) — October 12, 1989. Epicenter 1264 km N of Angra do Heroísmo, depth 10 km, 14:17 Local (1989-10-12 16:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1264 km N, Portugal) — 49.952, -28.964

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