Shastina and Mount Shasta
This view of Mt. Shasta shows a bowl-shaped combination glacially carved cirque and avalanche chute on the northwest side of Shastina (one of at least four volcanic edifices that in combination form the larger stratovolcano called Mt. Shasta) (Christiansen, 1990). This view was taken in the town of Weed near the intersection of Interstate 5 and US Highway 97. Mt. Shasta has erupted at least a dozen times in the last 10,000 years, with the most recent eruption about 200 years ago. Eruptions have produced lava flows, lava domes, pyroclastic flows, and ash fall events that have affected the region extending tens of kilometers around the volcano summit (Miller, 1980).
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Last modified: 1/13/2011