M 4.8 earthquake: Philippine Sea (Agana, Guam) — March 9, 1990

M 4.8 earthquake: Philippine Sea (Agana, Guam) — March 9, 1990. Epicenter 496 km SW of Agana, depth 68 km, 22:15 Local (1990-03-09 13:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (496 km SW of Agana, Guam) — 11.521, 140.64

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