M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — July 28, 2023

M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — July 28, 2023. Epicenter 430 km N of Capitol Hill, depth 134 km, 07:22 Local (2023-07-27 21:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (430 km N, Northern Mariana Islands) — 19.073, 145.4872

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