M 4.6 Earthquake: South Pacific Ocean (Tonga) — March 12, 1987

M 4.6 Earthquake: South Pacific Ocean (Tonga) — March 12, 1987. Epicenter 370 km SW of Nuku'alofa, depth 33 km, 19:22 Local (1987-03-13 07:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (370 km SW, Tonga) — -23.902, -177.233

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