M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 7, 1991

M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 7, 1991. Epicenter 268 km NE of Capitol Hill, depth 76 km, 12:17 Local (1991-05-07 02:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (268 km NE, Northern Mariana Islands) — 16.281, 147.997

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