Krafla is a caldera of about 10 km in diameter with a 90 km long fissure zone, in the north of Iceland in the Mývatn region. Its highest peak reaches up to 818 m and it is 2 km in depth. There have been 29 reported eruptions in recorded history.
Krafla includes one of the two best-known Víti craters of Iceland (the other is in Askja). The Icelandic word...