M 4.7 earthquake: Philippine Sea (Agana, Guam) — July 15, 1990

M 4.7 earthquake: Philippine Sea (Agana, Guam) — July 15, 1990. Epicenter 28 km NE of Agana, depth 130 km, 05:50 Local (1990-07-14 19:50 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (28 km NE of Agana, Guam) — 13.696, 144.854

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