M 5.3 earthquake: Southern Ocean (Antarctica) — July 11, 1983

M 5.3 earthquake: Southern Ocean (Antarctica) — July 11, 1983. Epicenter 262 km NE of Elephant Island, depth 10 km, 10:17 Local (1983-07-11 13:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Southern Ocean (262 km NE, Antarctica) — -60.921, -53.618

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