M 5.1 Earthquake: South Pacific Ocean (Antarctica) — December 22, 1977

M 5.1 Earthquake: South Pacific Ocean (Antarctica) — December 22, 1977. Epicenter 2529 km W of Peter I Island, depth 33 km, 01:55 Local (1977-12-22 10:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (2529 km W, Antarctica) — -54.939, -130.613

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