Looks like the things are adjusting with Monero algo change fork. MPH might have had some issue post fork but from my understanding after the fork yesterday the net hash rate was still very high, around 1140MH, since its averaged over a few days. This kept the difficulty high too - around 119 billion. But the actual hash rate was much lower so blocks were taking a very long time yesterday. The net hash rate is now reported as about 645MH and difficult dropped to 78 billion. I expect we'll see the net hash rate drop further over the next 24 hours and the difficultly also adjust as things settle down with the Monero network post algo change fork.

Note the MPH Monero pool hash rate for the days before the change was 22MH - 31MH and then fell down to 4MH post fork and now at about 7.7MH. The drop in hash rate definitely shows the impact of ASICs and of course those who haven't updated their miners (or can't).