M 4.6 earthquake near South Pacific Ocean (Tonga) — 1981-07-20

Magnitude 4.6 earthquake near South Pacific Ocean (320 km NW, Tonga), depth 541 km, 15:04 Local (1981-07-20 03:04 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (320 km NW, Tonga) — -19.504, -177.743