M 4.8 earthquake: Philippine Sea (Agana, Guam) — June 27, 1987

M 4.8 earthquake: Philippine Sea (Agana, Guam) — June 27, 1987. Epicenter 201 km SW of Agana, depth 33 km, 17:03 Local (1987-06-27 07:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (201 km SW of Agana, Guam) — 12.147, 143.486

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