A volcano is like a stream. It might sound like a Zen proverb, but it’s a useful comparison for University of Alaska Fairbanks Geophysical Institute graduate student Julia Gestrich. Scientists can use stream flow to understand volcano ash plumes, Gestrich explained while presenting her research at the American Geophysical Union Fall Meeting in Washington, D.C., […]
The Alaska Volcano Observatory raised the alert level on Mount Veniaminof last week after satellite imagery showed low-level ash emissions emanating from the volcano’s caldera. The alert level was raised from green to yellow on September 3rd after increased seismic activity was detected and raised further the next day to orange after ash was detected. Veniaminof, an […]
The massive Kaskawulsh Glacier in northern Canada has retreated about a mile up its valley over the past century. Last spring, its retreat triggered a geologic event at relatively breakneck speed. The toe of ice that was sending meltwater toward the Slims River and then north to the Bering Sea retreated so far that the […]