Comparison of images of east flank fumaroles taken 3/17/12 and 8/13/12.  In March, during the period of elevated seismicity and gas emissions, the fumaroles were more numerous and vigorous than in August.

Comparison of images of east flank fumaroles taken 3/17/12 and 8/13/12. In March, during the period of elevated seismicity and gas emissions, the fumaroles were more numerous and vigorous than in August.

Date: Aug 13th, 2012
Volcano(es): Iliamna
Photographer: McGimsey, R. G.
URL: avo.alaska.edu/image/view/46601
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.