There were reports this morning at about 1am (EST), that the Google AdSense console was down. A DigitalPoint Forums thread has several publishers upset with the downtime, but soon later it came back up.

The Wall Street Journal blog has confirmation from Google about this downtime. I am a bit shocked they bothered to cover AdSense console downtime, but as they said:

Google told the Wall Street Journal that the downtime was for about 90 minutes and did not impact all publishers.

This news comes days after Gmail went offline for a couple hours.

Forum discussion at DigitalPoint Forums.