M 4.5 earthquake: North Atlantic Ocean (Portugal) — February 18, 1993

M 4.5 earthquake: North Atlantic Ocean (Portugal) — February 18, 1993. Epicenter 1266 km N of Angra do Heroísmo, depth 10 km, 11:35 Local (1993-02-18 13:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (1266 km N, Portugal) — 49.956, -29.097

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