M 5.3 earthquake: South Pacific Ocean (Tonga) — April 16, 1987

M 5.3 earthquake: South Pacific Ocean (Tonga) — April 16, 1987. Epicenter 320 km S of Nuku'alofa, depth 33 km, 12:24 Local (1987-04-17 00:24 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (320 km S, Tonga) — -23.999, -174.887

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