M 4.9 earthquake: Philippine Sea (Agana, Guam) — October 21, 2011

M 4.9 earthquake: Philippine Sea (Agana, Guam) — October 21, 2011. Epicenter 201 km SW of Agana, depth 15 km, 06:57 Local (2011-10-20 20:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (201 km SW of Agana, Guam) — 11.989, 143.689

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