Digital elevation models of upper North Fork Toutle River near Mount St. Helens, based on 2006-2014 airborne lidar surveys
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The lateral blast, debris avalanche, and lahars of the May 18th, 1980, eruption of Mount St. Helens, Washington, dramatically altered the surrounding landscape. Lava...
1980年5月18日,华盛顿州圣海伦斯火山(Mount St. Helens)喷发引发的侧向爆发(lateral blast)、碎屑崩塌(debris avalanche)与火山泥流(lahars),极大地重塑了周边的地表景观。熔岩……



