M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 11, 1988

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 11, 1988. Epicenter 285 km N of Capitol Hill, depth 252 km, 21:47 Local (1988-12-11 11:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (285 km N, Northern Mariana Islands) — 17.77, 145.72

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