
1) Island of the Sea of Okhotsk 2) Mountain of the Kuril Islands 3) Stratovolcano of Russia 4) Volcano of the Kuril Islands
Found on
https://www.crosswordclues.com/clue/simushir

Simushir (Симушир, 新知島) is an uninhabited volcanic island near the center of the Kuril Islands chain in the Sea of Okhotsk in the northwest Pacific Ocean. Its name is derived from the Ainu language for `large island”. ==History== Simushir was inhabited by the Ainu, at the time of European contact. The island appears on an official.....
Found on
http://en.wikipedia.org/wiki/Simushir
No exact match found.