Pavlof (2,519-m [8,264 ft]-high, right) and Pavlof Sister (2,143-m [7,031 ft]-high, left) are a pair of symmetrical stratovolcanoes on the Alaska Peninsula. Pavlof Volcano is one of the most active of Alaska's volcanoes with nearly 40 historical eruptions. View is from the northwest. Photograph by T. Miller, U.S. Geological Survey, July, 1975.
Image courtesy of AVO / U.S. Geological Survey.