M 5.5 earthquake: South Pacific Ocean (Tonga) — December 25, 1980

M 5.5 earthquake: South Pacific Ocean (Tonga) — December 25, 1980. Epicenter 467 km W of Nuku'alofa, depth 592 km, 17:51 Local (1980-12-26 05:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (467 km W, Tonga) — -22.214, -179.594

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