2026-01-20T17:51:41.885578Z41.46400833129883142.086257934570370manualconfirmedIAG5.181579530307336mb1Origin/20260121144506.279096.551Magnitude/20260121144506.279156.552earthquakeIAGHokkaido, Japan Regionregion nameusp2026bkbxcontributorID