M 5.6 earthquake: South Pacific Ocean (Tonga) — October 30, 1977

M 5.6 earthquake: South Pacific Ocean (Tonga) — October 30, 1977. Epicenter 358 km W of Nuku'alofa, depth 600 km, 18:25 Local (1977-10-30 06:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (358 km W, Tonga) — -20.418, -178.572

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