M 4.8 earthquake: South Pacific Ocean (Tonga) — September 10, 1981

M 4.8 earthquake: South Pacific Ocean (Tonga) — September 10, 1981. Epicenter 459 km SW of Nuku'alofa, depth 528 km, 02:37 Local (1981-09-10 14:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (459 km SW, Tonga) — -22.676, -179.345

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