M 4.5 earthquake: Philippine Sea (Agana, Guam) — November 13, 1991

M 4.5 earthquake: Philippine Sea (Agana, Guam) — November 13, 1991. Epicenter 490 km SW of Agana, depth 33 km, 12:47 Local (1991-11-13 03:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (490 km SW of Agana, Guam) — 11.517, 140.706

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