Katla Volcanic Eruption in 1918. By Peter Hartree. Wikimedia Commons. Posted on March 9, 2021March 14, 2021 VOLCANIC ACTIVITY IN THE REYKJANES PENINSULA 666 × 563 Explosive eruption at Katla Volcanic Eruption in 1918. By Peter Hartree. Wikimedia Commons. Katla Volcanic Eruption in 1918. By Peter Hartree. Wikimedia Commons.