M 4.5 earthquake: North Atlantic Ocean (Greenland) — September 19, 1975

M 4.5 earthquake: North Atlantic Ocean (Greenland) — September 19, 1975. Epicenter 777 km SE of Timmiarmiut, depth 33 km, 19:49 Local (1975-09-19 21:49 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (777 km SE, Greenland) — 56.818, -34.207

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