M 7.8 earthquake: South Pacific Ocean (Tonga) — December 31, 1918

M 7.8 earthquake: South Pacific Ocean (Tonga) — December 31, 1918. Epicenter 361 km NW of Nuku'alofa, depth 485 km, 15:00 Local (1919-01-01 03:00 UTC). Shaking felt by ~940K people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (361 km NW, Tonga) — -19.318, -178.08

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