M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 18, 2013

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 18, 2013. Epicenter 620 km N of Capitol Hill, depth 10 km, 01:57 Local (2013-12-17 15:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (620 km N, Northern Mariana Islands) — 20.6926, 146.8083

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