globalchange  > 科学计划与规划
DOI: 10.1002/2016GL071163
论文题名:
Evidence of interseismic coupling variations along the Bhutan Himalayan arc from new GPS data
作者: Marechal A.; Mazzotti S.; Cattin R.; Cazes G.; Vernant P.; Drukpa D.; Thinley K.; Tarayoun A.; Le Roux-Mallouf R.; Thapa B.B.; Pelgay P.; Gyeltshen J.; Doerflinger E.; Gautier S.
刊名: Geophysical Research Letters
ISSN: 0094-8281
EISSN: 1944-8012
出版年: 2016
卷: 43, 期:24
起始页码: 12399
结束页码: 12406
语种: 英语
英文关键词: Decoupled upper ramp of the Main Himalayan Thrust in eastern Bhutan ; New detailed GPS velocity field in Bhutan showing lateral variations of interseismic coupling ; Potential first evidence of transient events on the Main Himalayan Thrust
Scopus关键词: Earthquakes ; Velocity ; Bhutan himalaya ; Creeping segment ; GPS velocity field ; Large earthquakes ; Lateral variations ; Main himalayan thrusts ; Spatial variations ; Surface ruptures ; Global positioning system
英文摘要: Although the first-order pattern of present-day deformation is relatively well resolved across the Himalayas, irregular data coverage limits detailed analyses of spatial variations of interseismic coupling. We provide the first GPS velocity field for the Bhutan Himalaya. Combined with published data, these observations show strong east-west variations in coupling between central and eastern Bhutan. In contrast with previous estimations of first-order uniform interseismic coupling along the Himalayan arc, we identify significant lateral variations: In western and central Bhutan, the fully coupled segment is 135–155 km wide with an abrupt downdip transition, whereas in eastern Bhutan the fully coupled segment is 100–120 km wide and is limited updip and downdip by partially creeping segments. This is the first observation of decoupling on the upper ramp along the Himalayan arc, with important implications for large earthquake surface rupture and seismic hazard. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85007349312&doi=10.1002%2f2016GL071163&partnerID=40&md5=d2bb4f00e94b90e9dbc7503e875bb0f7
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9244
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: Geosciences Montpellier, UMR5243, Université de Montpellier, Montpellier, France

Recommended Citation:
Marechal A.,Mazzotti S.,Cattin R.,et al. Evidence of interseismic coupling variations along the Bhutan Himalayan arc from new GPS data[J]. Geophysical Research Letters,2016-01-01,43(24).
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