M 5.6 earthquake: South Pacific Ocean (Tonga) — June 17, 1987

M 5.6 earthquake: South Pacific Ocean (Tonga) — June 17, 1987. Epicenter 253 km SW of Nuku'alofa, depth 146 km, 09:17 Local (1987-06-16 20:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (253 km SW, Tonga) — -22.931, -176.727

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