M 4.6 earthquake: North Atlantic Ocean (Portugal) — February 20, 1992

M 4.6 earthquake: North Atlantic Ocean (Portugal) — February 20, 1992. Epicenter 916 km N of Angra do Heroísmo, depth 10 km, 12:30 Local (1992-02-20 14:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (916 km N, Portugal) — 46.888, -27.224

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