M 4.7 earthquake: North Pacific Ocean (Japan) — October 4, 2023

M 4.7 earthquake: North Pacific Ocean (Japan) — October 4, 2023. Epicenter 584 km S of Hamamatsu, depth 10 km, 00:21 Local (2023-10-03 15:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (584 km S, Japan) — 29.7705, 139.8096

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