2026-04-21T18:43:02.208Z40.2344143.127740.126manualconfirmedUSGS4.4mb1Origin/20260421192953.954988.212791Magnitude/20260421192953.955071.2127922026-04-21T19:24:40.940078Z2026-04-21T19:29:53.98033ZOff East Coast of Honshu, Japanregion nameOrigin/20260421192953.954988.212791