M 4.7 earthquake: South Pacific Ocean (Tonga) — September 3, 1983

M 4.7 earthquake: South Pacific Ocean (Tonga) — September 3, 1983. Epicenter 548 km SW of Nuku'alofa, depth 558 km, 13:45 Local (1983-09-04 01:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (548 km SW, Tonga) — -23.695, -179.783

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