 The northern islet (Ryponkicha ) is the larger of the two, and consists of a portion of the volcano’s flank, with sheer cliffs rising up from the sea.Ushishir is still an active volcano with the last known eruption in 1884.In the spring and summer some of the largest colonies of crested and whiskered auklet in the Kuril Islands are found on the island; least auklet also nest here.