M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — January 16, 1988

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — January 16, 1988. Epicenter 361 km N of Capitol Hill, depth 225 km, 23:40 Local (1988-01-16 13:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (361 km N, Northern Mariana Islands) — 18.455, 145.73

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