2026-02-04T18:20:42.574Z29.1074130.385321.435manualconfirmedUSGS5.5mww1Origin/20260204183928.112287.147719Magnitude/20260204183928.112353.1477202026-02-04T18:28:41.515872Z2026-02-04T18:39:28.123446ZRyukyu Islands, Japanregion nameOrigin/20260204183928.112287.147719