M 4.7 earthquake: South Pacific Ocean (Tonga) — September 7, 1981

M 4.7 earthquake: South Pacific Ocean (Tonga) — September 7, 1981. Epicenter 313 km NW of Nuku'alofa, depth 355 km, 07:36 Local (1981-09-07 19:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (313 km NW, Tonga) — -19.577, -177.717

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