Pavlof Volcano,active volcano, 8,177 ft (2,493 m) high, W Alaska Peninsula, SW Alaska, on the W shore of Pavlof Bay. It and its neighboring twin volcano, Pavlof Sister, 7,028 ft (2,142 m) high, are largely snow-covered, cone-shaped mountains. A stratovolcano, Pavlof Volcano is the most consistently active volcano in the Aleutian arc, having erupted frequently since the late 18th cent.; its largest historical eruption occurred in 1911. Pavlof Sister last erupted in 1762.
a volcanic massif in Alaska near the southern end of the Alaska Peninsula, on the west bank of the Gulf of Alaska. Elevation, 2,504 m. The Pavlof Volcano has erupted several times in the 19th and 20th centuries. Its slopes are nearly bare, and there are subarctic meadows at its base.