M 4.6 earthquake: South Pacific Ocean (Tonga) — May 12, 1977

M 4.6 earthquake: South Pacific Ocean (Tonga) — May 12, 1977. Epicenter 555 km SW of Nuku'alofa, depth 545 km, 02:00 Local (1977-05-11 14:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (555 km SW, Tonga) — -23.372, 179.961

EarthquakeLive.org