M 4.9 earthquake: South Pacific Ocean (Tonga) — June 6, 1983

M 4.9 earthquake: South Pacific Ocean (Tonga) — June 6, 1983. Epicenter 347 km W of Nuku'alofa, depth 578 km, 15:17 Local (1983-06-06 03:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (347 km W, Tonga) — -20.548, -178.503

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