M 4.6 earthquake: Philippine Sea (Agana, Guam) — July 20, 2013

M 4.6 earthquake: Philippine Sea (Agana, Guam) — July 20, 2013. Epicenter 140 km SW of Agana, depth 23 km, 03:23 Local (2013-07-19 17:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (140 km SW of Agana, Guam) — 12.478, 143.958

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