Submitted by admin on Tue, 11/09/2010 - 02:45


Since 1770, Izalco has erupted at least 51 times. Izalco was once the most regularly active volcano in El Salvador, earning the title "lighthouse of the Pacific".

A small flank eruption in 1966 was the most recent activity. Temperatures of gases from f umaroles in the summit crater declined from 1964-1974.

Izalco is a small stratovolcano made of basalt. 

Photographs by Steve O'Meara of Volcano Watch International.

 

Sources of Information:

Carr, M. J., Mayfield, D.G., and Walker, J.A., 1981, Relation of lava compositions to volcano size and structure in El Salvador: Journal of Volcanology and Geothermal Research, v. 10, p. 35-48.

Carr, M.J., and Pontier, N.K., 1981, Evolution of a young parasitic cone towards a mature central vent: Izalco and Santa Ana volcanoes in El Salvador, central America: Journal of Volcanology and Geothermal Research, v. 11, p. 277-292.

McClelland, L., Simkin, T., Summers, M., Nielsen, E., and Stein, T.C., 1989, Global Volcanism 1975-1985: Englewood Cliffs, New Jersey, Prentice Hall, 655 p.

Rose, W.I., and Stoiber, R.E., 1969, The 1966 eruption of Izalco volcano, El Salvador: Journal of Geophysical Research, v. 74, p. 3,119-3,130.

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

Stoiber, R.E., Rose, W.I., Lange, I.M., and Birnie, R.W., 1975, The cooling of Izalco volcano (El Salvador): Geol. Jb. B 13, S. 193-205.

Latitude (DD): 
13.81
Longitude (dd): 
-89.63
Elevation (m): 
1950
Google Maps: 
http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=13.813N%2C%2089.633W…
More Images: 
http://www.google.com/images?hl=en&safe=active&biw=1280&bih=685&gbv=2&tbs=isch%3…
Articles: 
http://scholar.google.com/scholar?hl=en&q=Izalco&btnG=Search&as_subj=phy&as_sdt=…
Country: 
El Salvador
Type: 
Stratovolcano