M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 20, 2023

M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 20, 2023. Epicenter 515 km N of Capitol Hill, depth 10 km, 11:06 Local (2023-12-20 01:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (515 km N, Northern Mariana Islands) — 19.8262, 145.3954

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