The Fagradalsfjall volcanic eruption, which began in March 2021, marked a significant geological event on the Reykjanes Peninsula in Iceland. This eruption was notable for its relatively gentle effusive activity, characterized by the emission of lava flows rather than explosive volcanic eruptions. The eruption site, located near the Fagradalsfjall mountain, attracted considerable attention from scientists and tourists alike due to its accessibility and the stunning visual displays of flowing lava.
The eruption was preceded by a series of earthquakes, signaling the movement of magma beneath the surface. This seismic activity is common in Iceland, which sits on the Mid-Atlantic Ridge, a tectonic boundary where the North American and Eurasian plates are diverging. The eruption itself produced impressive lava fountains and created vast fields of basaltic lava, reshaping the landscape.
Over the course of several months, the eruption underwent various phases, with periods of intensified activity and quieter times.