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A historic eruption of Mount Shasta in 1786 may have been observed by Lapérouse, but this is disputed. Smithsonian Institution's Global Volcanism Program says that the 1786 eruption is discredited, and that the last known eruption of Mount Shasta was around 1250 AD, proved by uncorrected radiocarbon dating. [15] [16]
Highest point; Elevation: 6,896 ft (2,102 m) NGVD 29 [1] Coordinates: 1]: Geography; Location: Lassen and Shasta counties, California, U.S.: Parent range: Cascade Range: Topo map: USGS Prospect Peak: Geology; Mountain type: Extinct Cinder cone: Volcanic arc: Cascade Volcanic Arc: Last eruption: 1666: Climbing; Easiest route: Trail hike: Cinder Cone is a cinder cone volcano in Lassen Volcanic ...
The volcanoes with historical eruptions include: Mount Rainier, Glacier Peak, Mount Baker, Mount Hood, Lassen Peak, and Mount Shasta. Renewed volcanic activity in the Cascade Arc, such as the 1980 eruption of Mount St. Helens, has offered a great deal of evidence about the structure of the Cascade Arc. One effect of the 1980 eruption was a ...
And it could contaminate water supplies to much of the state (California’s largest reservoirs are close to the Shasta and Lassen volcanoes). Mt. Shasta, California's largest volcano, had many ...
Black Butte (formerly Wintoon Butte, Cone Mountain, Sugar Loaf and Muir's Peak [5]) is a cluster of overlapping dacite lava domes in a butte, [2] a satellite cone of Mount Shasta. [6] It is located directly adjacent to the northbound lanes of Interstate 5 at milepost 742 between the cities of Mount Shasta and Weed, California. The I-5 freeway ...
The Siskiyou County Sheriff’s Office described a dangerous rescue operation they conducted on Saturday to help two mountaineers stranded on Mount Shasta after an avalanche gushed through the region.
A Sight "Fearfully Grand"—Eruptions of Lassen Peak, California, 1914 to 1917: Fact Sheet 2014–3119. National Park Service, Lassen Association, and the United States Forest Service. Foxworthy, B. L.; Hill, M. (1982). Volcanic Eruptions of 1980 at Mount St. Helens: The First 100 Days (U.S. Geological Survey Professional Paper, 1249).
An eruption as large as Mount Pinatubo in 1991 could certainly cool the planet for a few years, though it wouldn’t be able to erase the Earth’s current climate woes caused by planet-warming ...