Tephrostratigraphy from Akutan Volcano at site 12AKKLW004 in upper Flat Bight valley. The thick (2.2 m) color stratified deposit near the top (black, orange, brown) is the from the caldera-forming eruption 1,600 years BP.
To obtain a high-resolution image, open the full size
page. Then, right click on the image and click
"Save Image As..." or "Save Picture as..."