M 5.4 earthquake: Philippine Sea (Agana, Guam) — April 13, 1982

M 5.4 earthquake: Philippine Sea (Agana, Guam) — April 13, 1982. Epicenter 232 km SW of Agana, depth 73 km, 19:31 Local (1982-04-13 09:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (232 km SW of Agana, Guam) — 12.209, 143.047

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