M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 14, 1987

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 14, 1987. Epicenter 438 km N of Capitol Hill, depth 33 km, 14:35 Local (1987-04-14 04:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (438 km N, Northern Mariana Islands) — 18.97, 146.986

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