Search results
Results from the WOW.Com Content Network
Pages in category "Volcanoes of Washington (state)" The following 40 pages are in this category, out of 40 total. This list may not reflect recent changes. *
The volcano is located in Washington, and is one of the five major stratovolcanoes there. Situated in the Cascade Volcanic Arc, the volcano was created by subduction of the oceanic Juan de Fuca Plate under the North American Plate. [10] Convergence between the two continues at a rate of 1.6 inches (4 cm) per year.
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.
Here’s what to know about Washington’s five active volcanoes, the chances of one erupting in the near future, and what you can do to prepare. 1980 Mount St. Helens eruption.
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 .
23 Washington. 24 Wyoming. 25 See also. 26 References. ... This article contains a list of volcanoes in the United States and its territories. ... 15.5 million years ago
In the continental U.S., the most recent cataclysmic eruption of a volcano was Mount St. Helens on May 18, 1980. “Vancouver, Vancouver, this is it!” radioed U.S. Geological Survey scientist ...
The volcano is considered the most active in the Cascades within the Holocene epoch, which encompasses roughly the last 10,000 years. [ 12 ] Prior to the 1980 eruption, Mount St. Helens was the fifth-highest peak in Washington.