Massive inflation feature, called a tumulus, on the Lost Jim lava flow. The steep flank of the tumulus was initially flat lying, but was tilted up by internal thickening of the flow.

Massive inflation feature, called a tumulus, on the Lost Jim lava flow. The steep flank of the tumulus was initially flat lying, but was tilted up by internal thickening of the flow.

Date: Jul 1st, 2021
Volcano(es): Imuruk Lake Volc Field
Photographer: Rader, Erika
URL: avo.alaska.edu/image/view/178811
Image courtesy of the photographer.
Please cite the photographer when using this image.
Full Resolution.