M 4.5 earthquake: South Pacific Ocean (Tonga) — July 31, 2011

M 4.5 earthquake: South Pacific Ocean (Tonga) — July 31, 2011. Epicenter 578 km SW of Nuku'alofa, depth 519 km, 22:47 Local (2011-07-31 10:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (578 km SW, Tonga) — -23.821, 179.956

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