M 4.6 earthquake: Philippine Sea (Agana, Guam) — October 7, 1990

M 4.6 earthquake: Philippine Sea (Agana, Guam) — October 7, 1990. Epicenter 66 km S of Agana, depth 33 km, 09:04 Local (1990-10-06 23:04 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (66 km S of Agana, Guam) — 12.885, 144.637

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