globalchange  > 科学计划与规划
DOI: 10.1002/2016GL067941
论文题名:
Crustal strain partitioning and the associated earthquake hazard in the eastern Sunda-Banda Arc
作者: Koulali A.; Susilo S.; McClusky S.; Meilano I.; Cummins P.; Tregoning P.; Lister G.; Efendi J.; Syafi'I M.A.
刊名: Geophysical Research Letters
ISSN: 0094-9290
EISSN: 1944-9021
出版年: 2016
卷: 43, 期:5
起始页码: 1943
结束页码: 1949
语种: 英语
英文关键词: back-arc thrusting ; GPS ; microplate rotation ; seismic hazard ; strain partitioning ; tectonics
Scopus关键词: Deformation ; Hazards ; Seismology ; Strike-slip faults ; Tectonics ; Back-arc ; Earthquake hazard ; Left-lateral movements ; Measurements of ; Microplate rotation ; Seismic hazards ; Strain partitioning ; Surface deformation ; Global positioning system
英文摘要: We use Global Positioning System (GPS) measurements of surface deformation to show that the convergence between the Australian Plate and Sunda Block in eastern Indonesia is partitioned between the megathrust and a continuous zone of back-arc thrusting extending 2000 km from east Java to north of Timor. Although deformation in this back-arc region has been reported previously, its extent and the mechanism of convergence partitioning have hitherto been conjectural. GPS observations establish that partitioning occurs via a combination of anticlockwise rotation of an arc segment called the Sumba Block, and left-lateral movement along a major NE-SW strike-slip fault west of Timor. We also identify a westward extension of the back-arc thrust for 300 km onshore into East Java, accommodating slip of ∼6 mm/yr. These results highlight a major new seismic threat for East Java and draw attention to the pronounced seismic and tsunami threat to Bali, Lombok, Nusa Tenggara, and other coasts along the Flores Sea. © 2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84960330152&doi=10.1002%2f2016GL067941&partnerID=40&md5=46c2061e00bcecbb0a351361539269a6
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10253
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: Research School of Earth Sciences, Australian National University, Canberra, Australian Capital Territory, Australia

Recommended Citation:
Koulali A.,Susilo S.,McClusky S.,et al. Crustal strain partitioning and the associated earthquake hazard in the eastern Sunda-Banda Arc[J]. Geophysical Research Letters,2016-01-01,43(5).
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