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首页> 美国卫生研究院文献>Scientific Reports >Quantitative volcanic susceptibility analysis of Lanzarote and Chinijo Islands based on kernel density estimation via a linear diffusion process
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Quantitative volcanic susceptibility analysis of Lanzarote and Chinijo Islands based on kernel density estimation via a linear diffusion process

机译：基于线性扩散过程的核密度估算对兰萨罗特岛和奇尼霍群岛的火山敏感性定量分析

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Risk management stakeholders in high-populated volcanic islands should be provided with the latest high-quality volcanic information. We present here the first volcanic susceptibility map of Lanzarote and Chinijo Islands and their submarine flanks based on updated chronostratigraphical and volcano structural data, as well as on the geomorphological analysis of the bathymetric data of the submarine flanks. The role of the structural elements in the volcanic susceptibility analysis has been reviewed: vents have been considered since they indicate where previous eruptions took place; eruptive fissures provide information about the stress field as they are the superficial expression of the dyke conduit; eroded dykes have been discarded since they are single non-feeder dykes intruded in deep parts of Miocene-Pliocene volcanic edifices; main faults have been taken into account only in those cases where they could modified the superficial movement of magma. The application of kernel density estimation via a linear diffusion process for the volcanic susceptibility assessment has been applied successfully to Lanzarote and could be applied to other fissure volcanic fields worldwide since the results provide information about the probable area where an eruption could take place but also about the main direction of the probable volcanic fissures.
机译：应向人口稠密的火山岛的风险管理利益相关者提供最新的高质量火山信息。我们在此根据更新的年代地层和火山构造数据，以及对海底侧面水深数据的地貌分析，介绍兰萨罗特岛和奇尼霍群岛及其海底侧面的第一张火山敏感性图。已经审查了结构元素在火山敏感性分析中的作用：考虑了喷口，因为它们指示了先前爆发的位置；喷发裂缝是堤坝导管的表面表达，它提供了有关应力场的信息；由于侵蚀的堤坝是侵入中新世—上新世火山大厦深部的单个非支线堤坝，因此已被丢弃。仅在可以改变岩浆表层运动的情况下，才考虑主要断层。通过线性扩散过程进行的核密度估计在火山敏感性评估中的应用已成功地应用于兰萨罗特岛，并可应用于全世界其他裂隙火山场，因为结果提供了可能发生喷发的区域信息，但也提供了有关可能的火山裂缝的主要方向。

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