M 4.7 Earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 21, 1987

M 4.7 Earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 21, 1987. Epicenter 784 km N of Capitol Hill, depth 116 km, 07:14 Local (1987-08-20 21:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (784 km N of Capitol Hill, Northern Mariana Islands) — 22.104, 144.198

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