M 4.7 Earthquake: South Pacific Ocean (Tonga) — July 17, 1986

M 4.7 Earthquake: South Pacific Ocean (Tonga) — July 17, 1986. Epicenter 561 km SW of Nuku'alofa, depth 542 km, 14:47 Local (1986-07-17 02:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (561 km SW, Tonga) — -23.5, 179.959

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