Since the beginning of the eruption of the volcano Fagradalsfjall, Iceland, on March 19, 2021, new cracks have formed several times. On May 2, activity on the volcano changed, forming huge lava fountains, the largest since the eruption began.
The video was taken by Sigfus Steindorsson around 02:00 local time on May 2. Lava fountains could be seen reaching about 300 meters (985 feet) above the ground and lasting 3 to 10 minutes.
The Icelandic Meteorological Office (IMO) confirmed a significant change in volcanic activity that began around 01:00 local time on May 2.
“It is unclear what caused these changes in volcanic activity, but it cannot be ruled out that there were changes in magma flow, magma/gas chemistry, or changes in the supply system,” the IMO said.
“In light of this changed activity, the size of the hazard zone at the eruption sites is under review.”