M 4.9 earthquake: North Pacific Ocean (Japan) — December 18, 2025

M 4.9 earthquake: North Pacific Ocean (Japan) — December 18, 2025. Epicenter 291 km E of Kushiro, depth 35 km, 23:42 Local (2025-12-18 14:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (291 km E, Japan) — 43.5116, 147.8876