M 4.6 earthquake: Indian Ocean (Antarctica) — April 3, 1986

M 4.6 earthquake: Indian Ocean (Antarctica) — April 3, 1986. Epicenter 1939 km NW of Showa Station, depth 10 km, 12:32 Local (1986-04-03 10:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1939 km NW, Antarctica) — -52.431, 28.353

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