Share this postThe Askja Caldera, Icelanddailyoverview.substack.comCopy linkFacebookEmailNoteOtherThe Askja Caldera, IcelandOverviewAug 07, 2018Share this postThe Askja Caldera, Icelanddailyoverview.substack.comCopy linkFacebookEmailNoteOtherShareSource imagery: DigitalGlobeFollow Daily Overview here:Instagram | Facebook | Tumblr | Twitter