M 4.8 earthquake: Arctic Ocean (Norway) — April 25, 1984

M 4.8 earthquake: Arctic Ocean (Norway) — April 25, 1984. Epicenter 624 km NW of Tromsø, depth 10 km, 14:31 Local (1984-04-25 14:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Arctic Ocean (624 km NW, Norway) — 72.958, 4.816

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