M 4.8 earthquake: North Atlantic Ocean (Portugal) — September 1, 1979

M 4.8 earthquake: North Atlantic Ocean (Portugal) — September 1, 1979. Epicenter 713 km N of Angra do Heroísmo, depth 10 km, 11:03 Local (1979-09-01 13:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (713 km N, Portugal) — 45.025, -28.112

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