M 5.5 earthquake: South Pacific Ocean (Tonga) — June 19, 1991

M 5.5 earthquake: South Pacific Ocean (Tonga) — June 19, 1991. Epicenter 312 km NW of Nuku'alofa, depth 432 km, 13:10 Local (1991-06-20 01:10 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (312 km NW, Tonga) — -19.708, -177.792