"Historically, there have been only three instances where a flood was followed by an eruption, the most recent being in 2004. In contrast, there have been thirteen floods without subsequent eruptions. Grímsvätn last erupted in 2011, which was not preceded by a flood."
A #glacial outburst #flood (#jökulhlaup) has begun from #Grímsvötn in #Vatnajökull, according to an announcement from the #Icelandic Meteorological Office.