M 4.7 earthquake: Philippine Sea (Agana, Guam) — October 20, 2011

M 4.7 earthquake: Philippine Sea (Agana, Guam) — October 20, 2011. Epicenter 50 km S of Agana, depth 50 km, 13:09 Local (2011-10-20 03:09 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (50 km S of Agana, Guam) — 13.02, 144.71

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