M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — July 13, 1999

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — July 13, 1999. Epicenter 610 km N of Capitol Hill, depth 72 km, 12:23 Local (1999-07-13 02:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (610 km N, Northern Mariana Islands) — 20.687, 146.027

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