M 5.1 earthquake: South Pacific Ocean (Tonga) — August 31, 1973

M 5.1 earthquake: South Pacific Ocean (Tonga) — August 31, 1973. Epicenter 377 km W of Nuku'alofa, depth 627 km, 11:08 Local (1973-08-30 23:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (377 km W, Tonga) — -20.955, -178.852

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