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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.
Calderas of Washington (state) (3 P) Calderas of Wyoming (1 C, 2 P) Pages in category "Calderas of the United States" The following 3 pages are in this category, out ...
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]
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.
On May 14, 2023, a mudslide and debris flow given the moniker, South Coldwater Slide by the U.S. Forest Service, destroyed the 85-foot (26 m) Spirit Lake Outlet Bridge on Washington State Route 504 and cut off access to the Johnston Ridge Observatory. Closures and access to Coldwater Lake and hiking trails would vary in the month after the slide.
The volcanoes are listed from north to south, by province or state: British Columbia, Washington, Oregon, ... Silverthrone Caldera [note 1] Caldera: 2,865: 9,400: Unknown
Short title: Fig. 1-reg [Converted] Software used: Adobe Illustrator CS5: Date and time of digitizing: 01:49, 8 May 2013: File change date and time: 15:49, 8 May 2013
Calderas of Washington (state) (3 P) G. Goat Rocks (1 C, 10 P) R. Mount Rainier (3 C, 28 P) S. Mount St. Helens (1 C, 18 P) Stratovolcanoes of Washington (12 P)