Griggs 1954
Start: 1954 [1]
Event Type: Not an eruption
- Fumarolic or hydrothermal activity [1]
- Steam [1]
Description: Keller and Reiser (1959) reported Mt. Griggs "steaming" in 1954. This activity does not constitute a volcanic eruption.
References Cited
[1] Geology of the Mount Katmai area, Alaska, 1959
Keller, A. S., and Reiser, H. N., 1959, Geology of the Mount Katmai area, Alaska: U.S. Geological Survey Bulletin 1058-G, p. 261-298, 2 sheets, scale 1:250,000.
full-text PDF 4 MB
plate 29 PDF 32 MB 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 
Geology of the Mount Katmai area, Alaska, 1959
Keller, A. S., and Reiser, H. N., 1959, Geology of the Mount Katmai area, Alaska: U.S. Geological Survey Bulletin 1058-G, p. 261-298, 2 sheets, scale 1:250,000.
full-text PDF 4 MB
plate 29 PDF 32 MB 