M 5.5 earthquake: South Pacific Ocean (Tonga) — October 22, 1990

M 5.5 earthquake: South Pacific Ocean (Tonga) — October 22, 1990. Epicenter 440 km W of Nuku'alofa, depth 592 km, 16:08 Local (1990-10-23 04:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (440 km W, Tonga) — -21.94, -179.39

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