M 5.1 earthquake: North Pacific Ocean (Japan) — December 21, 2025

M 5.1 earthquake: North Pacific Ocean (Japan) — December 21, 2025. Epicenter 279 km E of Kushiro, depth 35 km, 11:05 Local (2025-12-21 02:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (279 km E, Japan) — 43.5958, 147.717

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