M 5.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — January 21, 1987

M 5.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — January 21, 1987. Epicenter 607 km N of Capitol Hill, depth 118 km, 21:26 Local (1987-01-21 11:26 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (607 km N of Capitol Hill, Northern Mariana Islands) — 20.608, 144.885

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