M 5.5 earthquake: South Pacific Ocean (Tonga) — December 7, 1983

M 5.5 earthquake: South Pacific Ocean (Tonga) — December 7, 1983. Epicenter 467 km W of Nuku'alofa, depth 630 km, 23:01 Local (1983-12-08 11:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (467 km W, Tonga) — -22.479, -179.503

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