M 4.6 Earthquake: South Pacific Ocean (Tonga) — July 10, 1989

M 4.6 Earthquake: South Pacific Ocean (Tonga) — July 10, 1989. Epicenter 354 km W of Nuku'alofa, depth 633 km, 13:07 Local (1989-07-10 01:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (354 km W, Tonga) — -20.843, -178.611

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