USD/JPY flows: Intervention?

The USD/JPY dropped a figure in mins again. It looks like another intervention attempt from the MoF as such move is typical related. The Japanese FMs did already warned us of more intervention beforehand but there seems to be a change in magnitude. In previous intervention attempt, the MoF usually beat down the pair by around five figures. 

So far, we are only seeing a drop of around 2 figures in the past hour. USD/JPY is trading 1.68% lower at 155.22.