M 4.8 earthquake: North Atlantic Ocean (Portugal) — April 20, 1992

M 4.8 earthquake: North Atlantic Ocean (Portugal) — April 20, 1992. Epicenter 654 km N of Angra do Heroísmo, depth 10 km, 17:13 Local (1992-04-20 19:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (654 km N, Portugal) — 44.483, -28.224

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