M 5.1 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — April 17, 1987

M 5.1 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — April 17, 1987. Epicenter 781 km N of Capitol Hill, depth 90 km, 08:03 Local (1987-04-16 22:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (781 km N of Capitol Hill, Northern Mariana Islands) — 22.087, 144.241

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