M 7.6 earthquake: South Pacific Ocean (Tonga) — December 17, 1963

M 7.6 earthquake: South Pacific Ocean (Tonga) — December 17, 1963. Epicenter 435 km S of Nuku'alofa, depth 55 km, 12:30 Local (1963-12-18 00:30 UTC). Shaking felt by ~51K people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (435 km S, Tonga) — -24.749, -176.844

EarthquakeLive.org