M 4.6 earthquake: Indian Ocean (Antarctica) — December 25, 1990

M 4.6 earthquake: Indian Ocean (Antarctica) — December 25, 1990. Epicenter 2004 km NW of Showa Station, depth 10 km, 00:21 Local (1990-12-24 23:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (2004 km NW, Antarctica) — -52.918, 22.424

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