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The Cascade volcanoes have had more than 100 eruptions over the past few thousand years, many of them explosive eruptions. [21] However, certain Cascade volcanoes can be dormant for hundreds or thousands of years between eruptions, and therefore the great risk caused by volcanic activity in the regions is not always readily apparent.
This is a list of Cascade volcanoes, i.e. volcanoes formed as a result of subduction along the Cascadia subduction zone in the Pacific Northwest of North America. The volcanoes are listed from north to south, by province or state: British Columbia , Washington , Oregon , and California .
In today's puzzle, there are eight theme words to find (including the spangram). Hint: The first one can be found in the top-half of the board. Here are the first two letters for each word:
Pages in category "Dormant volcanoes" The following 73 pages are in this category, out of 73 total. ... Code of Conduct; Developers; Statistics; Cookie statement;
Campi Flegrei, a large dormant volcano near Naples, has a history of eruptions, and the last one was in 1538. Recently, increased seismic activity and rising land levels have raised concerns among ...
The volcano has a volume of 6.0 cubic miles (25 km 3). [8] Mount Bachelor stands 3 miles (4.8 km) southeast of the Tumalo Mountain volcano and 18 miles (29 km) to the southwest of the city of Bend, [2] in the Deschutes National Forest. [9] Weather varies greatly in the area due to the rain shadow caused by the Cascade Range. Air from the ...
Can be seen in the Sacramento Valley as far as 140 mi (230 km) away, as it is a dominating feature of the region. Lassen Peak (south of Mount Shasta) — southernmost volcano in the Cascades and the most easily climbed peak in the Cascades. It erupted from 1914 to 1921, and like Mount Shasta, it too can be seen in the Sacramento Valley, up to ...
In October 2006, the United States Geological Survey (USGS) adopted a nationwide alert system for characterizing the level of unrest and eruptive activity at volcanoes. The system is now used by the Alaska Volcano Observatory, the California Volcano Observatory (California and Nevada), the Cascades Volcano Observatory (Washington, Oregon and Idaho), the Hawaiian Volcano Observatory and the ...