Origin of earthquake swarms in the western Bohemian Massif: Is the mantle CO2 degassing, followed by the Cheb Basin subsidence, an essential driving force?
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- 作者：Vladislav Babu&scaron ; kaa ; Bohuslav Růžeka ; b.ruzek@ig.cas.cz" class="auth_mail" title="E-mail the corresponding author ; David Dolej&scaron ; b ; c
- 关键词：Europe ; West Bohemia ; Decarbonation reaction ; Swarm earthquakes ; Fault zone rheology
- 刊名：Tectonophysics
- 出版年：2016
- 出版时间：8 February 2016
- 年：2016
- 卷：668-669
- 期：Complete
- 页码：42-51
- 全文大小：2611 K
文摘
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We propose a new model of origin of earthquake swarms in the Western Bohemian Massif.
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CO2 degassing of the metasomatized mantle may cause the Cheb Basin subsidence.
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The subsidence and the regional stress field may account for the seismicity.
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Swarms concentrate at a boundary between two lithospheric segments of different age.
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The largest earthquake energy has been released at a granite–orthogneiss contact.