Alaska Volcano Observatory

327 cm bottom depth in core (tube-depth, not tephra-free depth); 147 cm thick; bubble-walled and tricuspate shards, some blocky glass. Includes primary ashfall and subsequent reworked tephra.

Sample Location:

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Legend

	Red (Warning)
	Orange (Watch)
	Yellow (Advisory)
	Green (Normal)
	Uninstrumented

300 km

200 mi

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References Cited

[1] Late Quaternary tephrostratigraphy, Ahklun Mountains, SW Alaska, 2012

Kaufman, D.S., Jensen, B.J.L., Reyes, A.V., Schiff, C.J., Froese, D.G., and Pearce, N.J.G., 2012, Late Quaternary tephrostratigraphy, Ahklun Mountains, SW Alaska: Journal of Quaternary Science, v. 27, n. 4, p. 344-359, doi:10.1002/jqs.1552 .

[2] Evidence of Holocene glacial activity from the Ahklun Mountains, southwestern Alaska, 2000

Feinberg, A.E., 2000, Evidence of Holocene glacial activity from the Ahklun Mountains, southwestern Alaska: Mount Holyoke College BA thesis, 83 p.

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