volcanism in peru occurs mainly in the southern part of the country, where there are about 300 separate volcanic systems including el misti, ubinas, ticsani, sabancaya and huaynaputina. in the tacna region of peru alone there are over 60 separate volcanoes, two of which, tutupaca and yucamane, have been active in historical time. in addition, there are a number of geothermal systems with temperatures of over which could be used to produce geothermal energy. volcanic and geothermal activity in the region is a consequence of the subduction of the nazca plate beneath the south america plate at a rate of about .