globalchange  > 科学计划与规划
DOI: 10.1002/2016GL071033
论文题名:
Joint approach combining damage and paleoseismology observations constrains the 1714 A.D. Bhutan earthquake at magnitude 8 ± 0.5
作者: Hetényi G.; Le Roux-Mallouf R.; Berthet T.; Cattin R.; Cauzzi C.; Phuntsho K.; Grolimund R.
刊名: Geophysical Research Letters
ISSN: 0094-8457
EISSN: 1944-8188
出版年: 2016
卷: 43, 期:20
起始页码: 10695
结束页码: 10702
语种: 英语
英文关键词: Bhutan ; damage intensity ; Himalaya ; historical earthquake ; paleoseismology ; seismic cycle
Scopus关键词: Computational geometry ; Flexible couplings ; Geophysics ; Seismology ; Bhutan ; Damage intensity ; Himalayas ; Historical earthquakes ; Paleoseismology ; seismic cycle ; Earthquakes
英文摘要: The region of Bhutan is thought to be the only segment of the Himalayas not having experienced a major earthquake over the past half millennium. A proposed explanation for this apparent seismic gap is partial accommodation of the India-Asia convergence further south across the Shillong Plateau, yet the seismic behavior of the Himalayan megathrust in Bhutan is unknown. Here we present historical documents from the region reporting on an earthquake in 1714 A.D. and geological evidence of surface rupture to constrain the latest large event in this area. We compute various earthquake scenarios using empirical scaling relationships relating magnitude with intensity, source location and rupture geometry. Our results constrain the 1714 A.D. earthquake to have ruptured the megathrust in Bhutan, most likely during a M7.5–8.5 event. This finding reclassifies the apparent seismic gap to a former information gap and implies that the entire Himalayan arc has a high level of earthquake potential. ©2016. The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84995665290&doi=10.1002%2f2016GL071033&partnerID=40&md5=33ad87a08077b92649699cd218d637d2
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9420
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Institute of Earth Sciences, University of Lausanne, UNIL-Mouline Géopolis, Lausanne, Switzerland

Recommended Citation:
Hetényi G.,Le Roux-Mallouf R.,Berthet T.,et al. Joint approach combining damage and paleoseismology observations constrains the 1714 A.D. Bhutan earthquake at magnitude 8 ± 0.5[J]. Geophysical Research Letters,2016-01-01,43(20).
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