M 4.6 earthquake: South Pacific Ocean (Tonga) — January 27, 1973

M 4.6 earthquake: South Pacific Ocean (Tonga) — January 27, 1973. Epicenter 328 km NW of Nuku'alofa, depth 413 km, 20:17 Local (1973-01-28 08:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (328 km NW, Tonga) — -19.738, -177.989

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