Pyroclastic surge deposits within the caldera east of Mt. Finch. These deposits were formed during a violent phreatomagmatic eruption caused by the interaction of magma and water. The vent for this eruption was likely one of the maar craters on the southern shore of the eastern caldera lake and ~5 km east of Mt. Finch. Similar deposits, although not as thick and often less laminated, are found in most areas of Fisher volcano.
| Date: | 1999 12:00 AM |
| Volcano(es): | Fisher |
| Photographer/Creator: | Stelling, Peter |
Citation Information:Image courtesy of the photographer.
Please cite the photographer when using this image.
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..."
Full Size
@alaska_avo
Receive volcano updates by email: USGS VNS
