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Volcanic eruptions, even deadly ones can sometimes be directly triggered by a large nearby earthquake. This most famously occurred at Mount Ararat in 1840, Mount Fuji in 1707, and Kilauea in 1975. Today's video explains the scientific reasoning on why, under a very specific set of circumstances one disaster can potentially cause another. Numerous examples are given, although I want to stress that an earthquake triggering a volcanic eruption is still quite rare.

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Sources/Citations:
[1] U.S. Geological Survey
[2] Brown, S.K., Jenkins, S.F., Sparks, R.S.J. et al. Volcanic fatalities database: analysis of volcanic threat with distance and victim classification. J Appl. Volcanol. 6, 15 (2017). https://doi.org/10.1186/s13617-017-00..., CC BY 4.0.
This source was used to cite the number of direct fatalities during Ararat's 1840 eruption.
[3] Roberto Sergio Azzoni, Davide Fugazza, Carlo Alberto Garzonio, Kathleen Nicoll, Guglielmina Adele Diolaiuti, Manuela Pelfini, Andrea Zerboni, Geomorphological effects of the 1840 Ahora Gorge catastrophe on Mount Ararat (Eastern Turkey), Geomorphology, Volume 332, 2019, Pages 10-21, ISSN 0169-555X, https://doi.org/10.1016/j.geomorph.20.... (https://www.sciencedirect.com/science...)
[4] NASA Worldview, EOSDIS Worldview, (Satellite imagery: Aqua / MODIS), (Thermal signatures: Terra / MODIS, NOAA-20 / VIIRS, Aqua / MODIS), at https://worldview.earthdata.nasa.gov/
[5] 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.

0:00 Earthquake Triggers Volcanic Eruption
0:25 Recent Kamchatka Example
1:12 1840 Mt. Ararat Example
2:20 This is a Rarity
3:33 Requirements