M 4.6 earthquake: North Pacific Ocean (Japan) — September 30, 2025

M 4.6 earthquake: North Pacific Ocean (Japan) — September 30, 2025. Epicenter 270 km E of Sendai, depth 10 km, 02:28 Local (2025-09-29 17:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (270 km E, Japan) — 37.9653, 144.0844

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