M 4.9 earthquake: Philippine Sea (Agana, Guam) — May 9, 1982

M 4.9 earthquake: Philippine Sea (Agana, Guam) — May 9, 1982. Epicenter 151 km SW of Agana, depth 117 km, 22:41 Local (1982-05-09 12:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (151 km SW of Agana, Guam) — 12.731, 143.578

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