M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 18, 1986

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 18, 1986. Epicenter 472 km N of Capitol Hill, depth 33 km, 03:46 Local (1986-09-17 17:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (472 km N, Northern Mariana Islands) — 19.404, 146.471

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