M 4.7 earthquake: South Pacific Ocean (Tonga) — September 1, 1983

M 4.7 earthquake: South Pacific Ocean (Tonga) — September 1, 1983. Epicenter 330 km NW of Nuku'alofa, depth 461 km, 20:16 Local (1983-09-01 08:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (330 km NW, Tonga) — -19.76, -178.031

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