M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — July 17, 1999

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — July 17, 1999. Epicenter 735 km N of Capitol Hill, depth 33 km, 06:17 Local (1999-07-16 20:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (735 km N, Northern Mariana Islands) — 21.812, 145.417

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