M 4.9 earthquake: South Pacific Ocean (Tonga) — December 17, 1975

M 4.9 earthquake: South Pacific Ocean (Tonga) — December 17, 1975. Epicenter 483 km W of Nuku'alofa, depth 618 km, 01:41 Local (1975-12-17 13:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (483 km W, Tonga) — -22.169, -179.761

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