Griggs 1923
Start: 1923 [1]
Event Type: Not an eruption
- Fumarolic or hydrothermal activity [1]
Description: In 1923, Smith (1925) reported Mt. Griggs had active fumaroles, constantly sending "columns of white fumes many hundred feet in the air." This activity does not constitute a volcanic eruption.
References Cited
[1] The Cold Bay Katmai District, 1925
Smith, W. R., 1925, The Cold Bay Katmai District: in Brooks, A. H., (ed.), Mineral resources of Alaska - Report on progress of investigations in 1923, U.S. Geological Survey Bulletin 0773, p. 183-213.Complete Eruption References
Mount Griggs: A compositionally distinctive Quaternary stratovolcano behind the main volcanic line in Katmai National Park, 2002
Hildreth, Wes, Fierstein, Judy, Lanphere, M. A., and Siems, D. F., 2002, Mount Griggs: A compositionally distinctive Quaternary stratovolcano behind the main volcanic line in Katmai National Park: in Wilson, F. H. and Galloway, J. P., (eds.), Studies by the U.S. Geological Survey in Alaska, 2000, U.S. Geological Survey Professional Paper PP 1662, p. 87-112.
full-text PDF 3.2 MB 
Preliminary volcano-hazard assessment for the Katmai volcanic cluster, Alaska, 2001
Fierstein, Judy, and Hildreth, Wes, 2001, Preliminary volcano-hazard assessment for the Katmai volcanic cluster, Alaska: U.S. Geological Survey Open-File Report 00-0489, 50 p., 1 plate, scale not applicable.
full-text PDF 28.8 MB 
The Cold Bay Katmai District, 1925
Smith, W. R., 1925, The Cold Bay Katmai District: in Brooks, A. H., (ed.), Mineral resources of Alaska - Report on progress of investigations in 1923, U.S. Geological Survey Bulletin 0773, p. 183-213.