M 4.9 earthquake: South Pacific Ocean (Tonga) — November 20, 1976

M 4.9 earthquake: South Pacific Ocean (Tonga) — November 20, 1976. Epicenter 347 km W of Nuku'alofa, depth 569 km, 11:30 Local (1976-11-19 23:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (347 km W, Tonga) — -20.555, -178.504

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