If you are asking 'what happened' please just follow ForexLive for all the impacting news, K?
Here is what moved it from earlier:
Not a positive for AUD
A positive for yen
Hence …. AUD/JPY smashola:
The yen strength is hitting other yen crosses of course, lower across the board.
And as for the AUD weakness, that's that's hitting AUD crosses also, natch