M 4.6 earthquake: South Pacific Ocean (Tonga) — April 28, 1987

M 4.6 earthquake: South Pacific Ocean (Tonga) — April 28, 1987. Epicenter 290 km N of Neiafu, depth 33 km, 11:22 Local (1987-04-27 22:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (290 km N, Tonga) — -16.175, -174.855

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