M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 30, 1986

M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 30, 1986. Epicenter 331 km N of Capitol Hill, depth 238 km, 14:27 Local (1986-04-30 04:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (331 km N, Northern Mariana Islands) — 18.175, 145.506

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