M 5.2 earthquake: South Pacific Ocean (Tonga) — August 9, 1987

M 5.2 earthquake: South Pacific Ocean (Tonga) — August 9, 1987. Epicenter 556 km SW of Nuku'alofa, depth 513 km, 21:37 Local (1987-08-10 09:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (556 km SW, Tonga) — -23.773, -179.823

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