M 4.9 earthquake: Philippine Sea (Agana, Guam) — January 9, 1990

M 4.9 earthquake: Philippine Sea (Agana, Guam) — January 9, 1990. Epicenter 595 km SW of Agana, depth 45 km, 13:18 Local (1990-01-09 04:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (595 km SW of Agana, Guam) — 11.108, 139.838

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