2026-04-07T16:36:21.858Z41.7819144.176449.647manualconfirmedUSGS4.6mb1Origin/20260407215000.479015.738400Magnitude/20260407215000.47909.7384012026-04-07T16:48:57.878206Z2026-04-07T21:50:04.092953ZHokkaido, Japan Regionregion nameOrigin/20260407215000.479015.738400