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The Kulshan caldera is a Pleistocene volcano in the North Cascades of Washington and one of the few calderas identified in the entire Cascade Range. [ 1 ] [ 2 ] It is the product of the Mount Baker volcanic field , which has a history stretching back to possibly 3.722 million years ago.
Map all coordinates using OpenStreetMap. ... Calderas of Washington (state) (3 P) Calderas of Wyoming (1 C, 2 P) Pages in category "Calderas of the United States"
Hannegan caldera is a 3.72 million year old volcanic collapse structure in the North Cascades of the U.S. state of Washington. [2] The caldera collapsed during two separate volcanic eruptions that produced as much as 140 km 3 of rhyolite ash. [3] [4]
Although Mount St. Helens is in Skamania County, Washington, access routes to the mountain run through Cowlitz County to the west, and Lewis County to the north. State Route 504, locally known as the Spirit Lake Memorial Highway, connects with Interstate 5 at Exit 49, 34 miles (55 km) to the west of the mountain.
The east side of Mount Baker in 2001. Sherman Crater is the deep depression south of the summit. Mount Baker (Nooksack: Kweq' Smánit; Lushootseed: təqʷubəʔ), [9] also known as Koma Kulshan or simply Kulshan, is a 10,781 ft (3,286 m) active [10] glacier-covered andesitic stratovolcano [5] in the Cascade Volcanic Arc and the North Cascades of Washington State in the United States.
Volcanic calderas of Washington state, United States. Pages in category "Calderas of Washington (state)" The following 3 pages are in this category, out of 3 total.
But unlike mammoth mountains like Washington state’s Mount St. Helens or Oregon’s Mount ... Its caldera at the top is a few miles wide and long, and about 300 feet deep. ... This bathymetric ...
Standing at 12,281 feet (3,743 m), Adams towers about 9,800 feet (3,000 m) over the surrounding countryside. It is the second-highest mountain in Washington and third-highest in the Cascade Range. Because of the way it developed, it is the largest stratovolcano in Washington and second-largest in the Cascades, behind only Mount Shasta. Its ...