M 5.5 earthquake: South Pacific Ocean (Tonga) — April 8, 1973

M 5.5 earthquake: South Pacific Ocean (Tonga) — April 8, 1973. Epicenter 357 km SW of Nuku'alofa, depth 122 km, 08:48 Local (1973-04-08 20:48 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (357 km SW, Tonga) — -23.876, -177.044

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