M 4.5 Earthquake: North Atlantic Ocean (Portugal) — April 8, 1975

M 4.5 Earthquake: North Atlantic Ocean (Portugal) — April 8, 1975. Epicenter 447 km N of Horta, depth 33 km, 06:19 Local (1975-04-08 08:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (447 km N, Portugal) — 42.53, -29.203

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