M 4.9 Earthquake: South Pacific Ocean (Tonga) — August 20, 1984

M 4.9 Earthquake: South Pacific Ocean (Tonga) — August 20, 1984. Epicenter 562 km SW of Nuku'alofa, depth 534 km, 22:05 Local (1984-08-21 10:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (562 km SW, Tonga) — -23.756, -179.898

EarthquakeLive.org