M 4.7 earthquake: Arctic Ocean (Norway) — January 20, 1980

M 4.7 earthquake: Arctic Ocean (Norway) — January 20, 1980. Epicenter 454 km NW of Tromsø, depth 10 km, 23:07 Local (1980-01-20 22:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Arctic Ocean (454 km NW, Norway) — 73.337, 13.537

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