M 4.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 17, 1987

M 4.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 17, 1987. Epicenter 685 km N of Capitol Hill, depth 33 km, 08:41 Local (1987-08-16 22:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (685 km N of Capitol Hill, Northern Mariana Islands) — 21.202, 144.258

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