M 4.9 earthquake: Philippine Sea (Agana, Guam) — December 22, 1985

M 4.9 earthquake: Philippine Sea (Agana, Guam) — December 22, 1985. Epicenter 237 km SW of Agana, depth 33 km, 03:50 Local (1985-12-21 17:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (237 km SW of Agana, Guam) — 12.506, 142.798

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