M 4.8 earthquake: South Pacific Ocean (Tonga) — June 23, 1987

M 4.8 earthquake: South Pacific Ocean (Tonga) — June 23, 1987. Epicenter 350 km W of Nuku'alofa, depth 611 km, 12:22 Local (1987-06-23 00:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (350 km W, Tonga) — -20.109, -178.396

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