M 4.9 earthquake: Philippine Sea (Agana, Guam) — July 15, 1990

M 4.9 earthquake: Philippine Sea (Agana, Guam) — July 15, 1990. Epicenter 245 km SW of Agana, depth 33 km, 02:30 Local (1990-07-14 16:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (245 km SW of Agana, Guam) — 11.837, 143.234

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