M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 17, 1989

M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 17, 1989. Epicenter 667 km N of Capitol Hill, depth 48 km, 22:37 Local (1989-03-17 12:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (667 km N, Northern Mariana Islands) — 21.194, 146.23

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