
Volcanic explosivity index - Wikipedia
The volcanic explosivity index (VEI) is a scale used to measure the size of explosive volcanic eruptions. It was devised by Christopher G. Newhall of the United States Geological Survey …
The Volcanic Explosivity Index: A tool for comparing the sizes of ...
Dec 26, 2022 · A VEI 4 eruption would be closer to 0.1 cubic kilometers (0.024 cubic miles), like the 2021 eruption of La Soufrière on the island of St. Vincent in the Caribbean, while a VEI 6 …
Volcanic Explosivity Index (VEI) - U.S. National Park Service
Aug 5, 2022 · The Volcanic Explosivity Index (VEI) is a scale that describes the size of explosive volcanic eruptions based on magnitude and intensity. The numerical scale (from 0 to 8) is a …
Volcanic Explosivity Index (VEI) - Geology.com
With each step in the scale representing an explosivity increase of 10X, a VEI 5 is roughly ten times more explosive than a VEI 4. Two steps of the scale is an increase of 100X in …
火山爆发指数 - 维基百科,自由的百科全书
火山爆发指数(Volcanic Explosivity Index,简称VEI)是1982年美国地质调查局(USGS)的克里斯·纽豪尔教授(Chris Newhall)和夏威夷大学马诺阿分校的斯蒂芬·塞尔夫提出的量表,以喷 …
火山爆發指數 - 维基百科,自由的百科全书
火山爆發指數(Volcanic Explosivity Index,簡稱VEI)是1982年美國地質調查局(USGS)的克里斯·紐豪爾教授(Chris Newhall)和夏威夷大學馬諾阿分校的斯蒂芬·塞爾夫提出的量表,以噴 …
火山的爆发指数-世界地质公园网络 - globalgeopark.org.cn
Feb 29, 2008 · 黑龙江根据碎屑体积/总喷发体积,估计老黑山爆发指数vei=4火烧山vei=3 老黑山喷发柱高度1-2公里,强度vei=2,能量相当于一次七级地震。 VEI=2的喷发如1991年云仙岳喷发。
火山爆发指数 - 哔哩哔哩
Feb 4, 2022 · (Volcanic Explosivity Index,简称VEI) 是1982年由火山学家提出的以喷出物体积与喷发柱高度来衡量火山爆发强烈程度的量表。 非爆炸性喷发的火山(如夏威夷群岛上的一 …
火山爆发等级? - 知乎
VEI-4以上的火山喷发都属于“普林尼”式喷发。 VEI-6火山喷出物体积在10~100立方千米,喷发柱高度大于30千米。 汤加火山本次是VEI6级,专家定的VEI6级的能量爆发等量换算就是6亿2千 …
An Overview of the Large-Magnitude (VEI 4) Eruption of
Feb 2, 2023 · With a Volcano Explosivity Index (VEI) of 4, the catastrophic eruption in 2010 was the largest eruption of Merapi since 1872 and the deadliest since 1930 (Siebert et al. 2011; …