M 4.9 earthquake: South Pacific Ocean (Tonga) — October 20, 1981

M 4.9 earthquake: South Pacific Ocean (Tonga) — October 20, 1981. Epicenter 468 km SW of Nuku'alofa, depth 552 km, 02:35 Local (1981-10-20 14:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (468 km SW, Tonga) — -22.787, -179.395

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