Mount Dana (Alaska)

Dana is northeast of the Canoe Bay inlet, as it sits at the top of Pavlof Bay. It is 555 miles (893 km) from Anchorage.[2]

The United States has the most active volcanoes in the world, many of them geologically young.[3] In Alaska, at least 50 volcanoes, including those in the Aleutian archipelago, have erupted in historical time.[4] The state accounts for ~80% of the United States' volcanoes, excluding the seamounts in the area, ~8% of world volcanoes, and most of these are located among the Aleutian Islands.[4] The Aleutian Islands arc serves as the northern boundary of the Pacific Ring of Fire,[4] where tectonic activity generates earthquakes and volcanic eruptions in masses.

Made up of intermediate composition calc-alkaline rocks, the volcano hosts remnants of an andesite-based dome, just off the western side of the crater and east of Knutson Lake. It resides on submarine sandstone and shale, timed at the Jurassic and Cretaceous eras.[5] Rising 1,354 metres (4,442 ft), the volcano is topped by a crater 1.5 kilometers in height by 2 kilometers in width.[6] To the southwest of the caldera, an exposed sector reveals a layer of sedimentary Mesozoic era stone.[6]

Mount Dana is easily accessible from Canoe Bay, at any time of the year.[7]