M 4.9 earthquake: Philippine Sea (Agana, Guam) — December 20, 2005

M 4.9 earthquake: Philippine Sea (Agana, Guam) — December 20, 2005. Epicenter 430 km W of Agana, depth 63 km, 15:05 Local (2005-12-20 06:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (430 km W of Agana, Guam) — 12.155, 141.017

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