M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 18, 2025

M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 18, 2025. Epicenter 448 km N of Capitol Hill, depth 165 km, 17:41 Local (2025-09-18 07:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (448 km N, Northern Mariana Islands) — 19.2351, 145.578

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