Ketoi volcano forms a 10 km wide island 19 km NE of Simushir Island across Diana Strait in the Kurile Islands. The first historical eruption of Pallas Peak, during 1843-46, was its largest. Strong fumarolic activity was observed on the northern flank of Pallas Peak in the 1980's... [more]
Raikoke (or Raikoki) volcano is mainly basaltic and has a 700 m wide and 200 m deep crater with steep walls. Raikoko has erupted lava flows all along the eastern side of the island.
Eruption plume of the 21 June 2019 eruption seen from satellite on 22 June
A large eruption occurred in 1778 which destoryed the upper third of the island. Another str... [more]
Rasshua is a large volcano forming the 6 x 13 km elongated Island of Rasshua in the central Kuriles. Rasshua volcano is truncated by a large caldera whose eastern rim is below sea level. There are 2 young active central cones in the caldera, from where most activity in the recent... [more]
Sarychev volcano is one of the most active volcanoes in the Kuril Island chain streching between Kamchatka and Japan. Large explosive eruptions occured between 11-19 June 2009, sending huge ash coulds to altitudes of up to 14 km, and forcing many flights with routes accross the n... [more]
Srednii volcano is a mostly submarine volcano in the central Kurile Islands between Rasshua and Ushishir Islands. Only a few rocks and islets breach the surface of the sea, including flat-topped Khitraya Rock, which could be a young lava dome or the rim of an old caldera.
A submarine eruption in 1924 was reported from a location east of Matua Island in the central Kuriles. There is a submarine volcano reaching near the surface of the sea in this location. [more]
Ushishur volcano in the central Kuriles has one of the world's most beautiful calderas, forming a almost complete ring rising above the sea. Most of the volcano's edifice is under water, but the submerged part forms 2 small islands.
The southern island contains the summit ... [more]