M 4.6 earthquake: South Pacific Ocean (Tonga) — September 27, 1990

M 4.6 earthquake: South Pacific Ocean (Tonga) — September 27, 1990. Epicenter 305 km W of Nuku'alofa, depth 618 km, 23:57 Local (1990-09-28 11:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (305 km W, Tonga) — -20.511, -178.077

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