M 5.6 earthquake: North Pacific Ocean (Japan) — October 4, 2023

M 5.6 earthquake: North Pacific Ocean (Japan) — October 4, 2023. Epicenter 577 km SE of Hamamatsu, depth 10 km, 11:19 Local (2023-10-04 02:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (577 km SE, Japan) — 29.9723, 140.2052

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