M 4.5 earthquake: North Pacific Ocean (Japan) — October 5, 2023

M 4.5 earthquake: North Pacific Ocean (Japan) — October 5, 2023. Epicenter 542 km S of Hamamatsu, depth 10 km, 15:45 Local (2023-10-05 06:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (542 km S, Japan) — 30.1463, 139.7302

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