M 5.4 earthquake: Indian Ocean (Antarctica) — April 18, 1976

M 5.4 earthquake: Indian Ocean (Antarctica) — April 18, 1976. Epicenter 1916 km NW of Showa Station, depth 33 km, 02:21 Local (1976-04-18 00:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1916 km NW, Antarctica) — -53.163, 25.316

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