What is Grímsvötn?
{{Infobox mountain |name = Grímsvötn |photo = Iceland_Grimsvoetn_1972-B.jpg |photo_caption = Grímsvötn and the Vatnajökull glacier, Iceland, July 1972 |elevation_m = 1725 |elevation_ref = <ref name=gvp>{{cite gvp|1=1703-01=|2=Grímsvötn|accessdate=15 August 2006}}</ref> |prominence_m = |prominence_ref= |listing = [[List of volcanoes in Iceland]] |location = [[Austur-Skaftafellssýsla]] / [[Vestur-Skaftafellssýsla]], Iceland |map = Iceland |relief=1 |range_coordinates = |map_caption = |map_size = |label_position = right |coordinates = {{coord|64|25|12|N|17|19|48|W|type:mountain_region:IS_scale:100000|format=dms|display=inline,title}} |type = [[Caldera|Volcanic caldera]] |age = |last_eruption = May 2011 }} '''Grímsvötn''' is a [[volcano]] in southeast [[Iceland]]. It has an elevation of {{convert|1725|m|ft|abbr=on}}. Grímsvötn is a basaltic volcano which has the highest eruption frequency of all the volcanoes in Iceland. It has a southwest-northeast-trending fissure system. The massive climate-impacting [[Laki]] fissure eruption of 1783–1784 was a part of the same fissure system. ==References== {{reflist}} {{Commons|Grímsvötn}} {{DEFAULTSORT:Grimsvotn}} [[Category:Volcanoes of Iceland]] [[Category:VEI-6 volcanoes]]