M 4.7 earthquake: South Pacific Ocean (Tonga) — March 26, 1975

M 4.7 earthquake: South Pacific Ocean (Tonga) — March 26, 1975. Epicenter 283 km S of Nuku'alofa, depth 33 km, 02:37 Local (1975-03-25 13:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (283 km S, Tonga) — -23.686, -175.164

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