M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 28, 1997

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 28, 1997. Epicenter 455 km N of Capitol Hill, depth 133 km, 03:35 Local (1997-03-27 17:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (455 km N, Northern Mariana Islands) — 19.307, 145.694

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