M 4.8 earthquake: South Pacific Ocean (Tonga) — December 18, 1976

M 4.8 earthquake: South Pacific Ocean (Tonga) — December 18, 1976. Epicenter 345 km W of Nuku'alofa, depth 566 km, 00:25 Local (1976-12-17 12:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (345 km W, Tonga) — -20.609, -178.492

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