M 5.1 earthquake: South Pacific Ocean (Tonga) — December 9, 1977

M 5.1 earthquake: South Pacific Ocean (Tonga) — December 9, 1977. Epicenter 338 km S of Nuku'alofa, depth 33 km, 09:30 Local (1977-12-09 21:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (338 km S, Tonga) — -24.135, -175.745

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