M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 23, 1986

M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 23, 1986. Epicenter 293 km N of Capitol Hill, depth 200 km, 05:12 Local (1986-12-22 19:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (293 km N, Northern Mariana Islands) — 17.848, 145.65

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