what is this
already asked, read below
Those anomalies occur because of the low volume of kraken.
Trades happen only once every minute or so.
no, at least not this time
Except that it wasn't a low volume anomaly, it was a small trade that took place in a distant part of the orderbook. But it has been discussed before in this thread and apparently it is under investigation.
exactly
read here:
https://bitcointalk.org/index.php?topic=290799.msg6034937#msg6034937