![Crowd-sourcing observations of volcanic eruptions during the 2021 Fagradalsfjall and Cumbre Vieja events | Nature Communications Crowd-sourcing observations of volcanic eruptions during the 2021 Fagradalsfjall and Cumbre Vieja events | Nature Communications](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41467-022-30333-4/MediaObjects/41467_2022_30333_Fig1_HTML.jpg)
Crowd-sourcing observations of volcanic eruptions during the 2021 Fagradalsfjall and Cumbre Vieja events | Nature Communications
![Hraunfossar, a waterfall formed by rivulets streaming over Hallmundarhraun, a lava field from volcano lying under the glacier Langjokull, and pour into the Hvita river, Iceland 12592661 Stock Photo at Vecteezy Hraunfossar, a waterfall formed by rivulets streaming over Hallmundarhraun, a lava field from volcano lying under the glacier Langjokull, and pour into the Hvita river, Iceland 12592661 Stock Photo at Vecteezy](https://static.vecteezy.com/system/resources/previews/012/592/661/non_2x/hraunfossar-a-waterfall-formed-by-rivulets-streaming-over-hallmundarhraun-a-lava-field-from-volcano-lying-under-the-glacier-langjokull-and-pour-into-the-hvita-river-iceland-photo.jpg)
Hraunfossar, a waterfall formed by rivulets streaming over Hallmundarhraun, a lava field from volcano lying under the glacier Langjokull, and pour into the Hvita river, Iceland 12592661 Stock Photo at Vecteezy
![Aerial view of lava streaming down the mountain ridge, view of a river of lava flowing from the craters in Grindavík, Southern Peninsula, Iceland. | Amazing Aerial Agency Aerial view of lava streaming down the mountain ridge, view of a river of lava flowing from the craters in Grindavík, Southern Peninsula, Iceland. | Amazing Aerial Agency](https://www.amazingaerial.agency/img-get/I0000G0JLOIWGnSE/s/1200/I0000G0JLOIWGnSE.jpg)