M 6.3 Earthquake: North Pacific Ocean (Japan) — May 31, 2025

M 6.3 Earthquake: North Pacific Ocean (Japan) — May 31, 2025. Epicenter 405 km E of Kushiro, depth 0 km, 18:37 Local (2025-05-31 08:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (405 km E, Japan) — 41.613, 148.941

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