M 4.9 earthquake: Philippine Sea (Agana, Guam) — September 23, 2013

M 4.9 earthquake: Philippine Sea (Agana, Guam) — September 23, 2013. Epicenter 173 km SW of Agana, depth 11 km, 05:30 Local (2013-09-22 19:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (173 km SW of Agana, Guam) — 12.3093, 143.6918

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