M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — November 20, 1997

M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — November 20, 1997. Epicenter 493 km N of Capitol Hill, depth 33 km, 09:53 Local (1997-11-19 23:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (493 km N, Northern Mariana Islands) — 19.568, 146.611

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