Greg's Mighty Rock was a prominent sea stack off the east coast. Cliff retreat has re-exposed the rock (compare with image 19096 of 8-12-2009 when only seaward end was appearing). Subsequent images show massive pyroclastic-flow deposits and pumice concentration zone at base.
Date: Jun 18th, 2010
Volcano(es): Kasatochi
Photographer: Scott, W. E.
URL: avo.alaska.edu/image/view/28342
Image courtesy of AVO/USGS.Volcano(es): Kasatochi
Photographer: Scott, W. E.
URL: avo.alaska.edu/image/view/28342
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.