M 6.2 earthquake: South Pacific Ocean (Tonga) — December 3, 1977

M 6.2 earthquake: South Pacific Ocean (Tonga) — December 3, 1977. Epicenter 318 km S of Nuku'alofa, depth 56 km, 17:50 Local (1977-12-04 05:50 UTC). Shaking felt by ~43K people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (318 km S, Tonga) — -23.89, -176.077

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