M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 18, 2003

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 18, 2003. Epicenter 654 km N of Capitol Hill, depth 33 km, 15:51 Local (2003-08-18 05:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (654 km N, Northern Mariana Islands) — 21.049, 146.492

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