M 4.5 earthquake: Philippine Sea (Agana, Guam) — October 20, 2025

M 4.5 earthquake: Philippine Sea (Agana, Guam) — October 20, 2025. Epicenter 197 km SW of Agana, depth 126 km, 09:42 Local (2025-10-19 23:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (197 km SW of Agana, Guam) — 12.6595, 143.1289

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