Volcano World

Vertical aerial photo of Segula Island and volcano. Photograph by U.S. Air Force. Plate 38 of Nelson (1959).

Segula is a Holocene stratovolcano that has not erupted in historical time. However, some of the lava flows and pyroclastic deposits are so fresh the may be less than a few hundred years old.

Sources of Information:

Nelson, W.H., 1959, Geology of Segula, Davidof, and Khvostof Islands, Alaska: U.S. Geological Survey Bulletin 1028-K, p. 257-266.

Simkin, T., and Siebert, L., 1994, Volcanoes of the World: Geoscience Press, Tucson, Arizona, 349 p.

Wood, C.A., and Kienle, J., 1993, Volcanoes of North America: Cambridge University Press, New York, 354 p.