M 5.0 earthquake: North Atlantic Ocean (Portugal) — September 10, 1979

M 5.0 earthquake: North Atlantic Ocean (Portugal) — September 10, 1979. Epicenter 471 km N of Horta, depth 10 km, 23:52 Local (1979-09-11 01:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (471 km N, Portugal) — 42.739, -29.315

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