100000 flights were cancelled during the Eyjafjallajökull eruption. It is doubtful that the same will happen again.
"Right now we're analyzing what was going on. As of now we don't know, but we'll keep analyzing and add it to the data pool," says Sigrún Karlsdóttir,at the IMO.
270 million cubic meters of magma has gathered underneath Dyngjujökull in just one week.