M 4.7 earthquake: Philippine Sea (Agana, Guam) — March 20, 1982

M 4.7 earthquake: Philippine Sea (Agana, Guam) — March 20, 1982. Epicenter 320 km W of Agana, depth 33 km, 10:47 Local (1982-03-20 01:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (320 km W of Agana, Guam) — 12.41, 142.009

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