M 4.7 earthquake: North Atlantic Ocean (Portugal) — September 10, 1979

M 4.7 earthquake: North Atlantic Ocean (Portugal) — September 10, 1979. Epicenter 469 km N of Horta, depth 10 km, 04:32 Local (1979-09-10 06:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (469 km N, Portugal) — 42.717, -29.338

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