Shiveluch
Disclaimer: Copyright infringement not intended.
Context: Shiveluch volcano erupts after 7.0 magnitude earthquake strikes off eastern Russian coast.
Details
Particulars |
Descriptions |
Name of the volcano |
Shiveluch. |
Country |
Russia. |
Region |
Kamchatka peninsula. |
Geologic history |
Began forming about 60,000 to 70,000 years ago during the Late Pleistocene. |
Volcanic province |
Eastern Kamchatka Volcanic Arc. The Aleutian Island Arc and the Kurile-Kamchatka Arc subduction zones. Largely part of Pacific ring of fire as the Pacific Plate crust subducts deeper under the Okhotsk Plate |
Volcanic Type |
Composite and Stratovolcano. |
Elevation |
10,771 ft. |
Characteristics |
Its summit is truncated by a broad 9-km-wide caldera. Many lava domes dot its outer flanks. Largely composed series of overlying thick basaltic-andesitic lava flows. About 75% of the volume of Shiveluch is constituted by magnesian andesites with from 53.7-63.8% silicate. Numerous intrusive dikes around the crater edge. |
Eruption history |
Catastrophic eruptions took place in 1854 and 1964. On 27 February 2015, Shiveluch erupted shooting ash into the atmosphere about 9,100 meters (30,000 ft) crossing the Bering Sea and into Alaska. A strong eruption occurred on 11 April 2023. On 17 August 2024, an eruption of Shiveluch began sending an ash cloud 8 kilometres. |
Impact |
Pyroclastic flows extended 15 km and destroyed forest around the Bekesh River valley . Formation of ash clouds reached heights of up to 12 km. Earthquake. |
Other active volcanoes of Russia. |
|
Volcanic landforms and types of volcanoes: https://www.iasgyan.in/daily-current-affairs/ol-doinyo-lengai-volcano 7th August, 2024.
Types of Volcanoes: https://www.iasgyan.in/blogs/types-of-volcano
Sources
https://www.volcanodiscovery.com/shiveluch.html
http://www.photovolcanica.com/VolcanoInfo/Shiveluch/Shiveluch.html
https://en.wikipedia.org/wiki/Shiveluch
https://earthobservatory.nasa.gov/images/39666/activity-at-shiveluch-volcano
PRACTICE QUESTION Q. Consider the following pairs.
Which of the above pair/s is/are incorrectly matched? A. 1 and 2 only B. 2 and 3 only C. 3 and 4 only D. 2 only Answer B Erebus – Antarctica. Heard- Australia. Villarrica – Chile. Sheveluch – Russia. |