Eruption Clusters; When Nearby Volcanoes All Erupt

On rare occasions, the geologic record indicates that two or more closely spaced volcanoes can produce near simultaneous eruptions. I refer to these as "eruption clusters" and noted a similarity between two areas of the world where these occur. In this video, I present my hypothesis, and explain how these clusters of volcanic eruptions in the Colorado Plateau of the United States and Central Anatolia of Turkey relate to lithospheric drip.

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Graphics, tables, and images which contain eruption dates, lengths, and/or VEIs are sourced from (and sometimes courtesy of) the Global Volcanism Program, Smithsonian Institution (although sometimes with minor changes made by GeologyHub). https://volcano.si.edu/
Citation: Global Volcanism Program, 2013. Volcanoes of the World, v. 4.11.2 (02 Sep 2022). Venzke, E (ed.). Smithsonian Institution. Downloaded 19 Oct 2022. https://doi.org/10.5479/si.GVP.VOTW4-2013.

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 on Oct 5 2022.

Google Earth imagery used in this video: ©Google & Data Providers

Thumbnail Photo Credit: Google Earth Imagery ©Google

Sources:
[1] Alaska Volcano Observatory, "Novarupta Reported Activity", Novarupta 1912/6
[2] Andersen, J., Göğüş, O.H., Pysklywec, R.N. et al. Symptomatic lithospheric drips triggering fast topographic rise and crustal deformation in the Central Andes. Commun Earth Environ 3, 150 (2022). https://doi.org/10.1038/s43247-022-00470-1, CC BY 4.0
[3] Global Volcanism Program, 2013. Volcanoes of the World, v. 4.11.2 (02 Sep 2022). Venzke, E (ed.). Smithsonian Institution. Downloaded 19 Oct 2022. https://doi.org/10.5479/si.GVP.VOTW4-2013.
[4] Global Volcanism Program, 2013. Katmai (312170) in Volcanoes of the World, v. 4.11.2 (02 Sep 2022). Venzke, E (ed.). Smithsonian Institution. Downloaded 19 Oct 2022 (https://volcano.si.edu/volcano.cfm?vn=312170). https://doi.org/10.5479/si.GVP.VOTW4-2013
[5] U.S. Geological Survey, "Arizona geologic map data", https://mrdata.usgs.gov/geology/state/state.php?state=AZ
[6] U.S. Geological Survey, USGS Fact Sheet FS-145-99, September 1999, https://pubs.usgs.gov/fs/fs-0145-99/
[7] Göğüş, O.H., Pysklywec, R.N., Şengör, A.M.C. et al. Drip tectonics and the enigmatic uplift of the Central Anatolian Plateau. Nat Commun 8, 1538 (2017). https://doi.org/10.1038/s41467-017-01611-3, CC BY 4.0
[8] Levander, A., Schmandt, B., Miller, M. et al. Continuing Colorado plateau uplift by delamination-style convective lithospheric downwelling. Nature 472, 461–465 (2011). https://doi.org/10.1038/nature10001

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