M 4.6 earthquake: Philippine Sea (Agana, Guam) — April 28, 2004

M 4.6 earthquake: Philippine Sea (Agana, Guam) — April 28, 2004. Epicenter 136 km SW of Agana, depth 35 km, 18:32 Local (2004-04-28 08:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (136 km SW of Agana, Guam) — 12.565, 143.903

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