The Island-volcano Raikoke is located in the central part of the Kuril Islands, 16 km from the Matua Island, and 50 km from Shiashkotan Island.

The Island is a 2x2.5 km oval slightly elongated in the latitudinal direction. Stratovolcano height of 551 m with a crater 700 m wide and 200 m deep until the 2019 eruption.

Ash clouds, ash falls, pyroclastic flows, hot avalanches and lahars are a potential hazard associated with explosive eruptions of this volcano. The volcano poses a potential hazard to international and local airlines passing in the Kuriles region, since the height of its ash emissions can reach 10-15 km above sea level, ash plumes and clouds can drift hundreds and thousands of kilometers from the volcano in different directions.

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