M 4.9 earthquake: Arctic Ocean (Russia) — February 21, 1984

M 4.9 earthquake: Arctic Ocean (Russia) — February 21, 1984. Epicenter 825 km N of Chelyuskin, depth 10 km, 00:32 Local (1984-02-20 18:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Arctic Ocean (825 km N, Russia) — 85.075, 97.144

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