M 4.7 earthquake: South Pacific Ocean (Tonga) — March 6, 1987

M 4.7 earthquake: South Pacific Ocean (Tonga) — March 6, 1987. Epicenter 311 km S of Nuku'alofa, depth 33 km, 12:44 Local (1987-03-07 00:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (311 km S, Tonga) — -23.858, -174.513

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