M 4.7 earthquake: Philippine Sea (Agana, Guam) — March 3, 1983

M 4.7 earthquake: Philippine Sea (Agana, Guam) — March 3, 1983. Epicenter 585 km SW of Agana, depth 48 km, 11:02 Local (1983-03-03 02:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (585 km SW of Agana, Guam) — 11.158, 139.912

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