M 4.5 earthquake: Arctic Ocean (Svalbard and Jan Mayen Islands) — March 20, 1977

M 4.5 earthquake: Arctic Ocean (Svalbard and Jan Mayen Islands) — March 20, 1977. Epicenter 288 km NW of Longyearbyen, depth 10 km, 23:58 Local (1977-03-20 22:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Arctic Ocean (288 km NW, Svalbard and Jan Mayen Islands) — 79.091, 3.11

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