How tall are you really? Establishing Mount Shasta’s summit elevation in the 20th century

There are a couple of ways to make a volcano shorter: it could have an eruption or a debris avalanche, or it could simply erode over time. Or, it could get lose height on paper! While both of the former have occurred at Mount Shasta in its geologic history, the latter was to blame for an elevation change in the early 20th century.

There are a couple of ways to make a volcano shorter: it could have an eruption or a debris avalanche, or it could simply erode over time. Or, it could get lose height on paper! While both of the former have occurred at Mount Shasta in its geologic history, the latter was to blame for an elevation change in the early 20th century. Read More