This week, the alert level was raised at a volcano which produced the 2nd largest explosive eruption of the 21st century. This occurred at Chile's Puyehue-Cordón Caulle volcano, which produced a VEI 5 eruption on the same order of magnitude as the 1980 eruption of Mount Saint Helens. Elsewhere, in Indonesia, the aftermath of the Ruang volcano is much more apparent, and as activity further decreased, its alert level was lowered. Meanwhile, in Tonga and Vanuatu, a new volcanic eruption commenced in each country. This video will discuss these stories and list the 49 volcanoes which are currently erupting around the planet.
Thumbnail Photo Credit: U.S. Geological Survey, Hawaiian Volcano Observatory, Public Domain, www.usgs.gov/media/images/spa.... This image was then overlaid with text in addition to GeologyHub made graphics (the GeologyHub logo & the image border).
Note: This image's thumbnail image displays a lava lake at the Kilauea volcano from September of 2017. Kilauea is not currently erupting.
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Sources/Citations:
[1] NASA Worldview, EOSDIS Worldview, (Satellite imagery: Terra / MODIS, Aqua / MODIS), (Thermal signatures: Terra / MODIS, NOAA-20 / VIIRS, Aqua / MODIS), at worldview.earthdata.nasa.gov/
[2] Sernageomin (Chile)
[3] 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 and are not Puyehue-Cordón Caulle's 2011-2012 eruption are sourced from the LaMEVE database (British Geological Survey © UKRI), www2.bgs.ac.uk/vogripa/view/c..., Used with Permission
[4] PVMBG (Pusat Vulkanologi dan Mitigasi Bencana Geologi) (Indonesia)
[5] Ekliptika. This source was used to cite the size of the 2024 Ruang eruption where tephra values were multiplied by 2 from the DRE figures.
[6] Francisco Delgado, Julia Kubanek, Kyle Anderson, Paul Lundgren, Matthew Pritchard, Physicochemical models of effusive rhyolitic eruptions constrained with InSAR and DEM data: A case study of the 2011-2012 Cordón Caulle eruption, Earth and Planetary Science Letters, Volume 524, 2019, 115736, ISSN 0012-821X, doi.org/10.1016/j.epsl.2019.1.... (www.sciencedirect.com/science...)
Note: I used this paper to cite the 1.22 km^3 bulk tephra figure for the 2011-2012 Puyehue-Cordón Caulle eruption.
[7] Phivolcs (Philippines)
[8] U.S. Geological Survey
[9] Hawaiian Volcano Observatory
[10] Vanuatu Meteorology & Geo-Hazards Department
[11] Vanuatu Meteorology and Geo-hazards Department
[12] Tonga Geological Services (Tonga)
[13] Geonet (New Zealand)
[14] INGV (Italy)
[15] Alaska Division of Geological & Geophysical Surveys
[16] Vedur.is / Iceland Met Office
0:00 Ruang Volcano Update
1:02 This Week's Top Stories
1:24 Chile's Explosive Volcano
2:57 Lateiki Eruption
3:38 Ambrym Eruption
4:32 List of Erupting Volcanoes
27 май 2024
