M 5.5 earthquake: Philippine Sea (Agana, Guam) — July 22, 1990

M 5.5 earthquake: Philippine Sea (Agana, Guam) — July 22, 1990. Epicenter 193 km SW of Agana, depth 22 km, 22:26 Local (1990-07-22 12:26 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (193 km SW of Agana, Guam) — 12.036, 143.75

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