M 4.8 earthquake: North Atlantic Ocean (Greenland) — June 21, 1974

M 4.8 earthquake: North Atlantic Ocean (Greenland) — June 21, 1974. Epicenter 742 km SE of Timmiarmiut, depth 33 km, 06:46 Local (1974-06-21 08:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (742 km SE, Greenland) — 57.844, -32.627

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