M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — February 7, 1987

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — February 7, 1987. Epicenter 585 km N of Capitol Hill, depth 33 km, 16:48 Local (1987-02-07 06:48 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (585 km N, Northern Mariana Islands) — 20.462, 145.482

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