M 4.6 earthquake: South Pacific Ocean (Tonga) — October 2, 1975

M 4.6 earthquake: South Pacific Ocean (Tonga) — October 2, 1975. Epicenter 313 km NW of Nuku'alofa, depth 389 km, 14:26 Local (1975-10-03 02:26 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (313 km NW, Tonga) — -19.537, -177.686