M 4.7 earthquake: Philippine Sea (Agana, Guam) — June 21, 2003

M 4.7 earthquake: Philippine Sea (Agana, Guam) — June 21, 2003. Epicenter 214 km SW of Agana, depth 33 km, 18:56 Local (2003-06-21 08:56 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (214 km SW of Agana, Guam) — 11.886, 143.636

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