M 5.5 earthquake: South Pacific Ocean (Tonga) — August 9, 1974

M 5.5 earthquake: South Pacific Ocean (Tonga) — August 9, 1974. Epicenter 409 km W of Nuku'alofa, depth 602 km, 23:22 Local (1974-08-10 11:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (409 km W, Tonga) — -21.385, -179.158

EarthquakeLive.org