Alright, so the title of the post is a little cheeky, but right now it appears that the eruption of Grímsvötn that started last Saturday (May 21) is for all intents and purposes over (at least for the time being). Although there is still some minor explosive activity from 3-4 tephra cones near the crater, it appears that larger plumes (>3 km) have not been seen at Grímsvötn for over 24 hours. A group of geologists ventured to the crater region (see below) and found upwards of 130 cm of ash deposited in some places near the vent.
The IMO has posted a great collection of images from the Grímsvötn eruption - starting with the big bang on May 21 through to today - it is almost like a timelapse of the changes in the volcano over the 4-5 days of eruption. You can also get a close up of ...