M 5.1 earthquake: South Pacific Ocean (Tonga) — December 18, 1977

M 5.1 earthquake: South Pacific Ocean (Tonga) — December 18, 1977. Epicenter 294 km S of Nuku'alofa, depth 115 km, 05:07 Local (1977-12-17 16:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (294 km S, Tonga) — -23.722, -175.82

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