M 5.3 earthquake: South Pacific Ocean (Tonga) — December 18, 1976

M 5.3 earthquake: South Pacific Ocean (Tonga) — December 18, 1976. Epicenter 446 km W of Nuku'alofa, depth 600 km, 21:11 Local (1976-12-19 09:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (446 km W, Tonga) — -21.887, -179.455

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