M 4.7 earthquake: South Pacific Ocean (Tonga) — July 15, 1981

M 4.7 earthquake: South Pacific Ocean (Tonga) — July 15, 1981. Epicenter 331 km NW of Nuku'alofa, depth 605 km, 16:56 Local (1981-07-16 04:56 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (331 km NW, Tonga) — -19.694, -177.998

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