M 5.1 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 1, 1988

M 5.1 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 1, 1988. Epicenter 330 km N of Capitol Hill, depth 114 km, 15:47 Local (1988-05-01 05:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (330 km N, Northern Mariana Islands) — 18.181, 145.729

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