M 4.8 earthquake: Philippine Sea (Agana, Guam) — March 6, 1990

M 4.8 earthquake: Philippine Sea (Agana, Guam) — March 6, 1990. Epicenter 180 km SW of Agana, depth 19 km, 21:40 Local (1990-03-06 11:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (180 km SW of Agana, Guam) — 12.124, 143.833

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