M 5.0 earthquake: South Pacific Ocean (Tonga) — March 16, 1977

M 5.0 earthquake: South Pacific Ocean (Tonga) — March 16, 1977. Epicenter 294 km W of Nuku'alofa, depth 441 km, 06:12 Local (1977-03-15 17:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (294 km W, Tonga) — -20.521, -177.974

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