M 5.0 earthquake: South Pacific Ocean (Tonga) — November 13, 1977

M 5.0 earthquake: South Pacific Ocean (Tonga) — November 13, 1977. Epicenter 275 km W of Nuku'alofa, depth 507 km, 08:04 Local (1977-11-12 19:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (275 km W, Tonga) — -20.489, -177.77

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