M 4.6 earthquake: South Pacific Ocean (Antarctica) — August 28, 1974

M 4.6 earthquake: South Pacific Ocean (Antarctica) — August 28, 1974. Epicenter 2804 km W of Peter I Island, depth 33 km, 14:06 Local (1974-08-28 23:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (2804 km W, Antarctica) — -54.681, -137.071

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