where is it located?
In the state of Oregon, United States
Mount Mazama
Mount Mazama ("Giiwas" in the Native American language Klamath) is a complex volcano in the state of Oregon, United States,
when was the last time crater lake volcano erupted Approximately 7,700 years ago what is the name of the volcano? Mount Mazama
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Mount Mazama [SEP] Introduction
Mount Mazama ("Giiwas" in the Native American language Klamath) is a complex volcano in the state of Oregon, United States, in a segment of the Cascade Volcanic Arc and Cascade Range. Most of the mountain collapsed following a major eruption approximately 7,700 years ago. The volcano is in Klamath County, in the southern Cascades, north of the Oregon-California border. Its collapse formed a caldera that holds Crater Lake. The mountain is in Crater Lake National Park. Mount Mazama originally had an elevation of , but following its climactic eruption this was reduced to . Crater Lake is deep, the deepest freshwater body in the US and the second deepest in North America after Great Slave Lake in Canada.