M 4.5 earthquake: South Pacific Ocean (Antarctica) — October 5, 1975

M 4.5 earthquake: South Pacific Ocean (Antarctica) — October 5, 1975. Epicenter 2500 km NW of Peter I Island, depth 33 km, 08:33 Local (1975-10-05 16:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (2500 km NW, Antarctica) — -49.781, -115.32

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