280 Square Miles Destroyed in 250 Seconds; The 1980 Eruption of Mount Saint Helens
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Today is the 43rd anniversary
Today is the 43rd anniversary of the most destructive volcanic eruption the Pacific Northwest portion of the United States ever produced in recorded history. As on May 18th of 1980, the Mount Saint Helens volcano partially collapsed in a major explosive eruption, which in 250 seconds destroyed 280 square miles of forest that had more than hundreds of structures and approximaely five dozen people in the affected area at the time. This video discusses the May 18th 1980 climatic eruption of Mount Saint Helens along with what caused it and the preceding series of events which led to it.
Thumbnail Photo Credit: Image from a video, (Filmed by U.S. Geological Survey scientist Don Swanson), (Produced by Liz Westby, Geologist, USGS Cascades Volcano Observatory), U.S. Geological Survey, Cascades Volcano Observatory, Public Domain, https://www.usgs.gov/media/videos/mou.... This image was then overlaid with text in addition to GeologyHub made graphics.
Note: Any brand names which may appear on my clothing do not imply endorsement from those companies or my personal endorsement of those brands. This video makes no negative or positive comment about those brands.
If you would like to support this channel, consider using one of the following links:
(Patreon: Patreon: geologyhub)
(YouTube membership: @geologyhub)
(Gemstone & Mineral Etsy store: http://prospectingarizona.etsy.com)
(GeologyHub Merch Etsy store: http://geologyhub.etsy.com)
Google Earth imagery used in this video: ©Google & Data Providers
This video is protected under "fair use". If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at [email protected] and I will make the necessary changes.
Various licenses used in sections of this video (not the entire video, this video as a whole does not completely fall under one of these licenses) and/or in this video's thumbnail image:
Public Domain: https://creativecommons.org/publicdom...
Sources/Citations:
[1] Robert I. Tilling, Lyn J. Topinka, Donald A. Swanson, "Eruptions of Mount St. Helens : Past, present, and future", General Interest Publications, U.S. Geological Survey, Accessed May 17, 2023. DOI: https://doi.org/10.3133/7000008, Public Domain
[2] U.S. Geological Survey
[3] U.S. Geological Survey, https://www.usgs.gov/volcanoes/mount-...
[4] Cascades Volcano Observatory
[5] VEIs, dates/years, eruption plume heights, and bulk tephra volume estimates for volcanic eruptions shown in this video which were assigned a VEI 4 or larger without an asterisk after their name are sourced from the LaMEVE database (British Geological Survey © UKRI), https://www2.bgs.ac.uk/vogripa/view/c..., Used with Permission. This source was also used to cite when Bezymianny, Mount Meru, and Kharimkotan erupted.
[6] U.S. Geological Survey, U.S.G.S. Denver Photo Library, USGS Denver Library Photographic Collection
0:00 Mt. St. Helens Anniversary
0:27 Background Information
1:21 Minor Eruption
2:24 Climatic Phase
3:42 Size of the Eruption
4:26 Similar Collapses
4:47 Conclusion
Thumbnail Photo Credit: Image from a video, (Filmed by U.S. Geological Survey scientist Don Swanson), (Produced by Liz Westby, Geologist, USGS Cascades Volcano Observatory), U.S. Geological Survey, Cascades Volcano Observatory, Public Domain, https://www.usgs.gov/media/videos/mou.... This image was then overlaid with text in addition to GeologyHub made graphics.
Note: Any brand names which may appear on my clothing do not imply endorsement from those companies or my personal endorsement of those brands. This video makes no negative or positive comment about those brands.
If you would like to support this channel, consider using one of the following links:
(Patreon: Patreon: geologyhub)
(YouTube membership: @geologyhub)
(Gemstone & Mineral Etsy store: http://prospectingarizona.etsy.com)
(GeologyHub Merch Etsy store: http://geologyhub.etsy.com)
Google Earth imagery used in this video: ©Google & Data Providers
This video is protected under "fair use". If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at [email protected] and I will make the necessary changes.
Various licenses used in sections of this video (not the entire video, this video as a whole does not completely fall under one of these licenses) and/or in this video's thumbnail image:
Public Domain: https://creativecommons.org/publicdom...
Sources/Citations:
[1] Robert I. Tilling, Lyn J. Topinka, Donald A. Swanson, "Eruptions of Mount St. Helens : Past, present, and future", General Interest Publications, U.S. Geological Survey, Accessed May 17, 2023. DOI: https://doi.org/10.3133/7000008, Public Domain
[2] U.S. Geological Survey
[3] U.S. Geological Survey, https://www.usgs.gov/volcanoes/mount-...
[4] Cascades Volcano Observatory
[5] VEIs, dates/years, eruption plume heights, and bulk tephra volume estimates for volcanic eruptions shown in this video which were assigned a VEI 4 or larger without an asterisk after their name are sourced from the LaMEVE database (British Geological Survey © UKRI), https://www2.bgs.ac.uk/vogripa/view/c..., Used with Permission. This source was also used to cite when Bezymianny, Mount Meru, and Kharimkotan erupted.
[6] U.S. Geological Survey, U.S.G.S. Denver Photo Library, USGS Denver Library Photographic Collection
0:00 Mt. St. Helens Anniversary
0:27 Background Information
1:21 Minor Eruption
2:24 Climatic Phase
3:42 Size of the Eruption
4:26 Similar Collapses
4:47 Conclusion
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