M 4.8 earthquake: Indian Ocean (Antarctica) — October 22, 1981

M 4.8 earthquake: Indian Ocean (Antarctica) — October 22, 1981. Epicenter 2005 km NW of Showa Station, depth 10 km, 05:28 Local (1981-10-22 03:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (2005 km NW, Antarctica) — -52.869, 22.614

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