M 5.5 earthquake: South Pacific Ocean (Tonga) — July 4, 1983

M 5.5 earthquake: South Pacific Ocean (Tonga) — July 4, 1983. Epicenter 345 km S of Nuku'alofa, depth 33 km, 21:57 Local (1983-07-05 09:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (345 km S, Tonga) — -24.22, -174.867

EarthquakeLive.org