M 5.7 earthquake: South Pacific Ocean (Antarctica) — December 23, 1973

M 5.7 earthquake: South Pacific Ocean (Antarctica) — December 23, 1973. Epicenter 2743 km W of Peter I Island, depth 33 km, 09:31 Local (1973-12-23 18:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (2743 km W, Antarctica) — -56.291, -139.014

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