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an active volcano in the northern part of the island of Paramushir, one of the northern Kuril Islands. The volcano, which rises to an elevation of 1,138 m, has three craters, each with a diameter of 250–350 m. The craters contain lakes, thermal springs, and solfataras. The volcano is composed of andesites and basalts. Eruptions occurred in 1793, 1859, 1934–35, 1963, and 1967.