The findings explain that seismic records taken since 2009 had always shown action but they're now starting to show little difference, suggesting that the inner core's rotation has paused.

这些发现解释了自2009年以来的地震记录中经常出现的活跃状态，但现在的活动差异却变得非常小，这表明内地核很可能已经停止了旋转。