M 4.9 earthquake: North Pacific Ocean (Japan) — December 21, 2025

M 4.9 earthquake: North Pacific Ocean (Japan) — December 21, 2025. Epicenter 293 km E of Kushiro, depth 10 km, 09:19 Local (2025-12-21 00:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (293 km E, Japan) — 43.5316, 147.9119