埃特纳火山山顶永久倾斜仪探测地面变形:2018年8月23日至26日，斯特隆波利和喷涌活动案例

IF 1 Q3 GEOCHEMISTRY & GEOPHYSICS

International Journal of Geophysics Pub Date : 2019-04-01 DOI:10.1155/2019/1909087

S. Gambino, M. Aloisi, G. Di Grazia, Giuseppe Falzone, A. Ferro, G. Laudani

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引用次数: 3

摘要

在过去的几年里，在埃特纳火山的山顶地区建立了三个倾斜深站(27-30米)。这个具有挑战性的项目的目的是高精度地记录山顶陨石坑活动的地面变形。我们考虑了与2018年8月23日至26日有关的数据，斯特隆波利和热流活动。在这种情况下，倾斜仪记录了10 - 7弧度的变化，在其他站点没有观察到。这些变化表明东南火山口以南有一个浅层收缩源。这一结果与火山震动源有关，表明在海拔1200米的地方存在一个气体/岩浆储层，为斯特隆堡活动提供了动力。

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Ground Deformation Detected by Permanent Tiltmeters on Mt. Etna Summit: The August 23-26, 2018, Strombolian and Effusive Activity Case

Over the last few years, three tilt deep stations (27-30 meters) have been set up in the summit area of Mount Etna volcano. The aim of this challenging project is to record the ground deformations of the summit craters activity with high precision. We considered data related to the August 23-26, 2018, Strombolian and effusive activity. In this case, tiltmeters recorded variations in the order of 10−7 radians, not observed at the other stations. These changes suggest a shallow contraction source just south of the Southeast Crater. This result, related to the volcanic tremor source, points to the presence of a gas/magma reservoir feeding the Strombolian activity at 1200 m above sea level.

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来源期刊

International Journal of Geophysics GEOCHEMISTRY & GEOPHYSICS-

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

21 weeks

期刊介绍： International Journal of Geophysics is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles in all areas of theoretical, observational, applied, and computational geophysics.