The Klawasi group is a cluster of three large mud volcanoes on the western flank of Mount Drum, a Pleistocene

stratovolcano A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and per ...

in the Wrangell Mountains of east-central Alaska in the United States. The cluster includes the Upper Klawasi, the Lower Klawasi and the Shrub. The volcanoes eject mostly warm mud, water, and CO₂; the carbon dioxide is known to affect the flora and fauna of the area.Water-Resources Investigations Report 00-4207
— U.S. Geological Survey report

References

External links

Volcano information
— Alaska Volcano Observatory page
Thermal imagery research
— Research page at the University of Hawaii Mud volcanoes Volcanology Wrangell–St. Elias National Park and Preserve {{CopperRiverAK-geo-stub