M 4.7 earthquake: South Pacific Ocean (Tonga) — March 18, 1987

M 4.7 earthquake: South Pacific Ocean (Tonga) — March 18, 1987. Epicenter 333 km W of Neiafu, depth 108 km, 06:03 Local (1987-03-18 18:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (333 km W, Tonga) — -18.057, -177.076

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