M 5.5 earthquake near South Pacific Ocean (Tonga) — 1983-08-21

Magnitude 5.5 earthquake near South Pacific Ocean (331 km SW, Tonga), depth 150 km, 10:57 Local (1983-08-21 22:57 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (331 km SW, Tonga) — -23.527, -177.138