M 4.9 earthquake: South Pacific Ocean (Tonga) — June 22, 1975

M 4.9 earthquake: South Pacific Ocean (Tonga) — June 22, 1975. Epicenter 568 km SW of Nuku'alofa, depth 368 km, 12:02 Local (1975-06-23 00:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (568 km SW, Tonga) — -24.002, -179.806

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