M 5.4 earthquake: Indian Ocean (Antarctica) — June 21, 1983

M 5.4 earthquake: Indian Ocean (Antarctica) — June 21, 1983. Epicenter 2709 km N of Mirny Station, depth 10 km, 04:41 Local (1983-06-20 22:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (2709 km N, Antarctica) — -42.769, 83.57

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