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||The Central Kurile Islands consists of Simushir, Ketoi, Ushishir, Rasshua, Matua, Raikoke, and Lovushky islands. The volcanoes of the Central Kurile Islands are:
|This photo looks north along the volcanoes of Simushir Island. The flooded sooma volcano of Urataman forms the north end of the island. Prevo Peak is just south of the center of the island. Zavaritzki Caldera is cloud-free and can be seen on the west (left) side of the island. Milne, partially obscured by clouds, forms part of the south end of the island.|
|The central and northern parts of the island of Simushir are shown in this photograph from the Space Shuttle. The snow-covered cone of Urataman, a somma volcano, forms the north end of the island. Prevo Peak is south of Urataman (near the center of the photo, just above the cloud bands). The area near Zavaritzki Caldera can be seen through a gap in the clouds. Both Prevo Peak and Zavaritzki Caldera have erupted in historic time.|
Two historic eruptions of Zavaritzki occurred in 1923 and 1957, both at the north end of the crater lake. The 1957 eruption (VEI=3) was explosive and was accompanied by lava flows and the growth of a dome.
Ushishur is a caldera with historic eruptions in 1710, 1769, and 1884. The 1769 eruption was submarine and from a vent near the center of the caldera bay. This eruption also formed a lava dome. An eruption in 7450 BC. Was associated with caldera collapse.
Sarychev Peak, a stratovolcano, is the most active volcanoes in the Kurile Islands. Sarychev Peak erupted at least 14 times between 1765 and 1989. The largest eruption (VEI=4) was in 1924. Most eruptions are moderate to moderate-large (VEI=2-3) and explosive. An eruption in 1960, the last major eruption, produced a 3 mile (5 km) high ash cloud. An eruption in 1964 lasted only 6 minutes.
Raikoke is a stratovolcano with eruptions in 1765, 1778, and 1924. The last two eruption were large with VEI of 4 or greater. The bombs from the 1778 eruption caused 15 fatalities and prompted the first volcanological study of the Kurile Islands.