M 4.5 Earthquake: North Pacific Ocean (Northern Mariana Islands) — April 3, 1997

M 4.5 Earthquake: North Pacific Ocean (Northern Mariana Islands) — April 3, 1997. Epicenter 416 km N of Capitol Hill, depth 179 km, 18:16 Local (1997-04-03 08:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (416 km N, Northern Mariana Islands) — 18.954, 145.703

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