![Sarah Henton preparing to sample the "black ooze" floating on the surface of Upper Klawasi mud volcano, seen here just beyond the tire tube. The central upwelling is directly behind Sarah, and is between intervals of vigorous activity [see images #32182, #32232].](https://avo.alaska.edu/images/dbimages/1294449342_ak163.JPG)
Sarah Henton preparing to sample the "black ooze" floating on the surface of Upper Klawasi mud volcano, seen here just beyond the tire tube. The central upwelling is directly behind Sarah, and is between intervals of vigorous activity [see images #32182, #32232].
Date: Jul 16th, 2009
Volcano(es): Klawasi Group
Photographer: McGimsey, Game
URL: avo.alaska.edu/image/view/32222
Image courtesy of AVO/USGS.Volcano(es): Klawasi Group
Photographer: McGimsey, Game
URL: avo.alaska.edu/image/view/32222
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.