M 4.8 earthquake: Philippine Sea (Agana, Guam) — April 9, 1976

M 4.8 earthquake: Philippine Sea (Agana, Guam) — April 9, 1976. Epicenter 325 km W of Agana, depth 137 km, 22:47 Local (1976-04-09 13:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (325 km W of Agana, Guam) — 12.389, 141.963

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