M 5.2 earthquake: Philippine Sea (Agana, Guam) — December 31, 1976

M 5.2 earthquake: Philippine Sea (Agana, Guam) — December 31, 1976. Epicenter 249 km SW of Agana, depth 33 km, 08:23 Local (1976-12-30 22:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (249 km SW of Agana, Guam) — 11.79, 143.234

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