M 4.5 earthquake: North Pacific Ocean (Japan) — October 23, 2023

M 4.5 earthquake: North Pacific Ocean (Japan) — October 23, 2023. Epicenter 846 km S of Hamamatsu, depth 91 km, 15:53 Local (2023-10-23 06:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (846 km S, Japan) — 27.6317, 140.9795

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