M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 12, 1989

M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 12, 1989. Epicenter 417 km N of Capitol Hill, depth 239 km, 03:36 Local (1989-09-11 17:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (417 km N, Northern Mariana Islands) — 18.954, 145.582

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