M 5.3 earthquake: South Pacific Ocean (Tonga) — October 4, 1989

M 5.3 earthquake: South Pacific Ocean (Tonga) — October 4, 1989. Epicenter 578 km SW of Nuku'alofa, depth 525 km, 18:46 Local (1989-10-04 06:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (578 km SW, Tonga) — -23.807, 179.949

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