M 4.6 earthquake: Philippine Sea (Agana, Guam) — July 22, 1976

M 4.6 earthquake: Philippine Sea (Agana, Guam) — July 22, 1976. Epicenter 384 km SW of Agana, depth 37 km, 05:48 Local (1976-07-21 20:48 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (384 km SW of Agana, Guam) — 11.879, 141.609

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