M 4.5 earthquake: North Pacific Ocean (Japan) — October 31, 2026

M 4.5 earthquake: North Pacific Ocean (Japan) — October 31, 2026. Epicenter 291 km SE of Yokohama, depth 10 km, 09:32 Local (2026-10-31 00:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (291 km SE, Japan) — 33.5548, 141.8118

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