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首页> 外文期刊>Journal of Volcanology and seismology >The Seismic Factor in the Excitation of Endogenous and Exogenous Processes on Klyuchevskoi Volcano, Kamchatka
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The Seismic Factor in the Excitation of Endogenous and Exogenous Processes on Klyuchevskoi Volcano, Kamchatka

机译:Klyuchevskoi火山内源性和外源过程激发的地震因素,堪察加

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摘要

The Klyuchevskoi stratovolcano is one of the largest and most active volcanoes in the world; changes of varying sizes have affected the morphology of its surface during historical time. These rock failures mostly occur in long-lived geologic features, namely, volcano-tectonic chutes. Several researchers have made forecasts of failures based on the relief and morphology of the volcano, the system of tectonic discontinuities within its edifice, the localization of parasitic eruptions, the emplacement of intrusions and dikes that have dissected the edifice, glacier activity on the slopes, and other factors. The part played by seismic activity in the preparation and occurrence of major rockfalls and landslides on the volcano has not been previously studied in its own right. The present paper contains an analysis of Klyuchevskoi seismicity related to eruption periods as a key factor to induce deformation and major rockfalls and landslides due to various causes. According to the spatial distribution of earthquakes and the associated seismic energy, the northwestern and southeastern sectors of the volcano are prone to major collapses. This appears to be due to an extension of the edifice in relation to a north-northeast striking fault that traverses the edifice.
机译:Klyuchevskoi Stratovolcano是世界上最大,最活跃的火山之一;不同尺寸的变化影响了历史时期表面的形态。这些岩石故障主要发生在长寿的地质特征中,即火山构造滑槽。一些研究人员根据火山的浮雕和形态进行了失败预测,其大厦内的构造中断系统,寄生爆发的本地化,侵占大厦的侵蚀性和堤防,斜坡上的冰川活动,和其他因素。在制备和发生在火山上的主要岩石和山体滑坡的抗震活动中扮演的部分尚未在自己的权利中研究过。本文含有与爆发期有关的Klyuchevskoi地震性分析,作为诱导由于各种原因导致变形和主要岩石和山体滑坡的关键因素。根据地震的空间分布和相关地震能源,火山的西北部和东南部门易于重大崩溃。这似乎是由于大厦的延伸,所以与沿着大厦的北 - 东北引人注目的故障的延伸。

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