M 4.7 earthquake: South Pacific Ocean (Tonga) — December 11, 1983

M 4.7 earthquake: South Pacific Ocean (Tonga) — December 11, 1983. Epicenter 378 km NW of Neiafu, depth 393 km, 20:27 Local (1983-12-12 08:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (378 km NW, Tonga) — -16.165, -176.412

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