Volcanologist Steinunn Jakobsdóttir at the University of Iceland, told AFP News, that no volcanic activity has been detected since early Saturday morning. The Grímsvötn eruption started on Saturday, May 21. After two days of intense activity, the eruption petered out, and was all but over last Wednesday. According to the Department of Civil Protection, there is still considerable clean-up work to be done in the aftermath of the eruption.