Krafla in Iceland
Krafla area has been quite active throughout history. It has erupted 29 times. Its last eruption was in 1984. In 1724, Krafla began an eruption that lasted for five years. This eruption was called "The Myvatn Fires." It was named for the nearby area of Myvatn, which is a rich farming district and very well populated. During this eruption, lava flowed from a ~7 mile (11 km) long fissure until it reached ~12.5 miles (20 km) in length after one year.