M 4.6 earthquake: South Pacific Ocean (Antarctica) — September 23, 1999

M 4.6 earthquake: South Pacific Ocean (Antarctica) — September 23, 1999. Epicenter 2821 km W of Peter I Island, depth 10 km, 12:59 Local (1999-09-23 21:59 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (2821 km W, Antarctica) — -54.319, -136.685

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