To put this in perspective, that’s as high as the Chrysler building in New York City; as high as the Eiffel Tower in Paris; higher (by 10 stories) than the Transamerica Pyramid in San Francisco.
In the above video, you can see how the lava fountain dwarfs the buildings in front of it.
The fissure was a “monster-size lava fountain, the biggest since the eruption started,” said Sigfús Steindórsson, who has been following the eruptions.
Iceland Volcano Update: Massive Lava Fountaining Has Begun – The Eruption Has Shifted To A New Phase
3 May 2021
Thanks to David Mauriello and Laurel for these videos