M 4.6 earthquake: South Pacific Ocean (Tonga) — December 27, 1983

M 4.6 earthquake: South Pacific Ocean (Tonga) — December 27, 1983. Epicenter 498 km SW of Nuku'alofa, depth 607 km, 21:11 Local (1983-12-28 09:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (498 km SW, Tonga) — -23.009, -179.615

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