Janet Schaefer examines the Holocene tephra record at Makushin Volcano. This stream cut revealed about 8,000 years of history. We found peat, organic material that can help us date some of the younger ash fall layers, here prominent as stripes in the bank.
Date: Aug 9th, 2013
Volcano(es): Makushin
Photographer: Neal, C. A.
URL: avo.alaska.edu/image/view/54281
Image courtesy of AVO/USGS.Volcano(es): Makushin
Photographer: Neal, C. A.
URL: avo.alaska.edu/image/view/54281
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.