M 4.6 earthquake: Philippine Sea (Agana, Guam) — August 15, 1997

M 4.6 earthquake: Philippine Sea (Agana, Guam) — August 15, 1997. Epicenter 172 km SW of Agana, depth 33 km, 14:01 Local (1997-08-15 04:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (172 km SW of Agana, Guam) — 12.129, 143.965

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