M 4.5 earthquake: South Pacific Ocean (Tonga) — May 15, 1973

M 4.5 earthquake: South Pacific Ocean (Tonga) — May 15, 1973. Epicenter 602 km SW of Nuku'alofa, depth 662 km, 09:07 Local (1973-05-14 21:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (602 km SW, Tonga) — -23.662, 179.594

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