M 4.5 earthquake: Philippine Sea (Agana, Guam) — October 31, 2025

M 4.5 earthquake: Philippine Sea (Agana, Guam) — October 31, 2025. Epicenter 421 km SW of Agana, depth 10 km, 12:12 Local (2025-10-31 03:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (421 km SW of Agana, Guam) — 10.9868, 141.8298

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