Mýrdalsjökull is the glacier located in south Iceland. On north side you will look Viki i Myrdal and on the east is located a smaller glacier an Eyjafjallajokull. Between these glaciers is Fimmvoruhals pass. Highest peak of Mýrdalsjökull reach 1400 m and it cover more than 560 km2. The cap of this glacier covers active volcano named Katla. Caldera of this volcano has a diameter of 11 km and mostly erupts every 40-80 years. Last one eruption happens in 1918. Through the history it has been documented 16 eruptions. After eruption nearby Eyjafjallajokull in 2010, scientists are careful monitoring the volcano. Then there was an Rldgja with eruption fissure around 31 km. They are all in the same volcano system. Before was built a Hringvegur which is the main road around the island, people was feared to transverse the plains in front of volcano because frequent glacial floods, deep rivers. After eruption in 1918 there was a great glacial food. Coastline was extend for 6 km. Today Mýrdalsjökull is very wet and moisture area.