M 4.5 earthquake: North Pacific Ocean (Japan) — December 1, 2023

M 4.5 earthquake: North Pacific Ocean (Japan) — December 1, 2023. Epicenter 593 km SE of Yokohama, depth 22 km, 13:34 Local (2023-12-01 04:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (593 km SE, Japan) — 30.4864, 141.995

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