https://www.youtube.com/watch?v=uA_hWqFUP1U
The 2021 Geldingadalir eruption near Fagradalsfjall changed week by week as fissures opened, vents migrated, and lava filled successive valleys.
Time-lapse and field clips show how an initially short fissure grew into sustained fountaining and channelized flows across the Geldingadalir landscape.