M 4.9 Earthquake: South Pacific Ocean (Tonga) — March 16, 2011

M 4.9 Earthquake: South Pacific Ocean (Tonga) — March 16, 2011. Epicenter 546 km SW of Nuku'alofa, depth 510 km, 10:06 Local (2011-03-16 22:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (546 km SW, Tonga) — -23.733, -179.729

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