M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 1, 2023

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 1, 2023. Epicenter 398 km N of Capitol Hill, depth 10 km, 20:54 Local (2023-09-01 10:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (398 km N, Northern Mariana Islands) — 18.7828, 145.9381

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