2026-04-21T02:35:47.967Z39.8608143.165635.352manualconfirmedUSGS4.8mb1Origin/20260421025658.58706.202119Magnitude/20260421025658.587148.2021202026-04-21T02:48:53.579496Z2026-04-21T02:56:58.598472ZOff East Coast of Honshu, Japanregion nameOrigin/20260421025658.58706.202119