M 5.0 earthquake: South Pacific Ocean (Tonga) — December 22, 1973

M 5.0 earthquake: South Pacific Ocean (Tonga) — December 22, 1973. Epicenter 375 km W of Nuku'alofa, depth 606 km, 04:53 Local (1973-12-21 16:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (375 km W, Tonga) — -20.538, -178.767

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