2026-04-20T16:13:17.1Z39.4793143.458837.502manualconfirmedUSGS4.4mb1Origin/20260420170853.925364.197135Magnitude/20260420170853.925449.1971362026-04-20T17:08:41.610584Z2026-04-20T17:08:53.9371ZOff East Coast of Honshu, Japanregion nameOrigin/20260420170853.925364.197135