M 5.4 earthquake: South Pacific Ocean (Tonga) — May 14, 1973

M 5.4 earthquake: South Pacific Ocean (Tonga) — May 14, 1973. Epicenter 414 km W of Nuku'alofa, depth 501 km, 09:15 Local (1973-05-14 21:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (414 km W, Tonga) — -21.998, -179.12

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