M 4.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 16, 1991

M 4.9 earthquake: Philippine Sea (Capitol Hill, Northern Mariana Islands) — August 16, 1991. Epicenter 876 km N of Capitol Hill, depth 136 km, 11:47 Local (1991-08-16 01:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (876 km N of Capitol Hill, Northern Mariana Islands) — 22.71, 143.189

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