Crater Lake, Oregon

Paper Summary:

This paper explains that Crater Lake, Oregon, which is the deepest lake in the United States, was formed, some 7,000 years ago, as the cavity from the collapse of a volcano filled with water. The author points out that the lake is renewed from rain and snow runoff each year. The paper notes the different organisms living in the lake and the depths at which they are found.

From the Paper:

"Crater Lake, Oregon offers a number of interesting geological and biological features that exist because of the way the region was formed and the history since. Much of the biology of the region remains uncertain, for studies have only been undertaken in depth in the last 20 years. This fact makes the region especially interesting as new knowledge is gleaned about such lake systems and their interaction with the surrounding area. Crater Lake was formed from the eruption of Mount Mazama, leaving the crater that would fill with water and become Crater Lake. Once the volcano had erupted, it left a 4,000 foot deep caldera and a myriad of other geologic formations ("Crater Lake: History" para. 6). A U.S. Geological Survey party examined the area in 1959 and made sonar readings establishing the depth of the lake at its deepest point as 1,932 feet."

More papers on Crater Lake, Oregon:

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