Скачать или смотреть Mount St. Helens's Eruption Video Footage, Analyzed

In this video, I breakdown video footage taken of Mount Saint Helens's most famous volcanic eruption. I discuss the speed of its pyroclastic flows, mushroom clouds, and what is known as a coignimbrite plume.

Thumbnail Photo Credit: U.S. Geological Survey (Data Owner), Vallance, James W. (Photographer), USGS Denver Library Photographic Collection, Public Domain, https://library.usgs.gov/photo/index..... This image was mirrored vertically (left became right & right became left), overlaid with text, and then overlaid with GeologyHub made graphics (the image border & the GeologyHub logo).

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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 (and this list does not include every license used in this video and/or thumbnail image):
Public Domain: https://creativecommons.org/publicdom...
CC BY 4.0: https://creativecommons.org/licenses/...

Sources/Citations:
[1] U.S. Geological Survey
[2] Dellino, P., D. Mele, R. Sulpizio, L. La Volpe, and G. Braia (2008), A method for the calculation of the impact parameters of dilute pyroclastic density currents based on deposit particle characteristics, J. Geophys. Res., 113, B07206,
doi:10.1029/2007JB005365.
[3] Costa, A., J. Suzuki, Y. & Koyaguchi, T. Understanding the plume dynamics of explosive super-eruptions. Nat Commun 9, 654 (2018). https://doi.org/10.1038/s41467-018-02..., CC BY 4.0.
[4] U.S. Geological Survey,
-how fast is ash plume going up
[5] USGS Denver Library Photographic Collection
[6] VEIs, dates/years, composition, tephra layer name, DRE estimates, and bulk tephra volume estimates for volcanic eruptions shown in this video which were assigned a VEI 4 or larger are sourced from the LaMEVE database (British Geological Survey © UKRI), https://www2.bgs.ac.uk/vogripa/view/c..., Used with Permission
[7] Source of Volcanic Explosivity Index (VEI) methodology and criteria: Newhall, C. G., and Self, S. (1982), The volcanic explosivity index (VEI) an estimate of explosive magnitude for historical volcanism, J. Geophys. Res., 87(C2), 1231–1238, doi:10.1029/JC087iC02p01231. Accessed / Read by    / geologyhub   on Oct 5th, 2022.

0:00 A Powerful Eruption
0:22 Pyroclastic Flow Analysis
2:08 Coignimbrite Plume
2:27 Plinian Eruption
3:06 Mushroom Cloud Formation