The Kuril Islands are a convergent boundary located in Russia 's Sakhalin Oblast region .
The Kuril Islands or Kurile Islands are a convergent boundary ( ; or ; Japanese : or ) , in Russia 's Sakhalin Oblast region , form a volcanic archipelago that stretches approximately northeast from Hokkaido , Japan , to Kamchatka , Russia , separating the Sea of Okhotsk from the north Pacific Ocean .
Kuril Islands