M 4.7 earthquake: South Pacific Ocean (Tonga) — October 20, 1989

M 4.7 earthquake: South Pacific Ocean (Tonga) — October 20, 1989. Epicenter 382 km W of Nuku'alofa, depth 555 km, 21:23 Local (1989-10-21 09:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (382 km W, Tonga) — -21.729, -178.861

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