Acknowledgements
The data from airborne surveys will be available on https://zenodo.org/
and data from Pléiades will be available on
https://www.theia-land.fr/en/product/pleiades/. The processed data
is currently available in the Supporting Information for the purposes of
review.
We would like to thank our pilots Ú. Henningsson, K. Kárason, K.
Halldórsdóttir, G. Árnason, J.Sverrisson, the Icelandic Coast Guard and
Iceland Aviation Service for their commitment to carry out flights. The
authors would like to acknowledge the Icelandic Research fund, Grant No.
206755-052, the Fulbright–NSF Arctic Scholar program, NSF RAPID program
and the French Space Agency (CNES) for their support. Pléiades images
were provided under the CIEST² (CNES) initiative during the first 10
days of the eruption and through the Icelandic Volcanoes Supersite
project supported by the Committee on Earth Observing Satellites (image
Pléiades©CNES2021, distribution AIRBUS DS).