The 2021 fissure eruption of Fagradalsfjall produced spectacular lava flows, lava fountains and built-up spatter cones along a linear fissure for the first time in roughly six thousand years. A similar eruption is now underway. Credit: Courtesy A. Shevchenko and E. Zorn (GFZ Germany).

The 2021 fissure eruption of Fagradalsfjall produced spectacular lava flows, lava fountains and built-up spatter cones along a linear fissure for the first time in roughly six thousand years. A similar eruption is now underway. Credit: Courtesy A. Shevchenko and E. Zorn (GFZ Germany).

The 2021 fissure eruption of Fagradalsfjall produced spectacular lava flows, lava fountains and built-up spatter cones along a linear fissure for the first time in roughly six thousand years. A similar eruption is now underway. Credit: Courtesy A. Shevchenko and E. Zorn (GFZ Germany).

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