![Ragnar Heiðar Þrastarson on Twitter: "Series of @USGSLandsat #Landsat8 and @ESA_EO #Sentinel2 images showing a formation of new ice cauldron in Öræfajökull volcano. Heightened activity for the past weeks in the glacier Ragnar Heiðar Þrastarson on Twitter: "Series of @USGSLandsat #Landsat8 and @ESA_EO #Sentinel2 images showing a formation of new ice cauldron in Öræfajökull volcano. Heightened activity for the past weeks in the glacier](https://pbs.twimg.com/tweet_video_thumb/DO_94k-WkAAz22Q.jpg)
Ragnar Heiðar Þrastarson on Twitter: "Series of @USGSLandsat #Landsat8 and @ESA_EO #Sentinel2 images showing a formation of new ice cauldron in Öræfajökull volcano. Heightened activity for the past weeks in the glacier
![Iceland volcano Oraefajokull may be about to erupt for first time since 1728 plunging Brits' plane travel into chaos | The Sun Iceland volcano Oraefajokull may be about to erupt for first time since 1728 plunging Brits' plane travel into chaos | The Sun](https://www.thesun.co.uk/wp-content/uploads/2017/12/nintchdbpict000004226751.jpg)
Iceland volcano Oraefajokull may be about to erupt for first time since 1728 plunging Brits' plane travel into chaos | The Sun
![Iceland's Most Dangerous Volcano Appears to Be Waking Up, Prompting Officials to Raise Alert | The Weather Channel Iceland's Most Dangerous Volcano Appears to Be Waking Up, Prompting Officials to Raise Alert | The Weather Channel](https://s.w-x.co/util/image/w/iceland_33.jpg?crop=16:9&width=480&format=pjpg&auto=webp&quality=60)