M 4.7 earthquake: Indian Ocean (Antarctica) — April 28, 1992

M 4.7 earthquake: Indian Ocean (Antarctica) — April 28, 1992. Epicenter 1943 km NW of Showa Station, depth 10 km, 21:57 Local (1992-04-28 19:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1943 km NW, Antarctica) — -53.29, 23.422

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