کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5779743 | 1634682 | 2017 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Highly variable coastal deformation in the 2016 MW7.8 KaikÅura earthquake reflects rupture complexity along a transpressional plate boundary
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
علوم زمین و سیاره ای (عمومی)
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چکیده انگلیسی
Coseismic coastal deformation is often used to understand slip on offshore faults in large earthquakes but in the 2016 MW7.8 KaikÅura earthquake multiple faults ruptured across and sub-parallel to the coastline. Along â¼110 km of coastline, a rich dataset of coastal deformation comprising airborne lidar differencing, field surveying and satellite geodesy reveals highly variable vertical displacements, ranging from â2.5 to 6.5 m. These inform a refined slip model for the KaikÅura earthquake which incorporates changes to the slip on offshore faults and inclusion of an offshore reverse crustal fault that accounts for broad, low-amplitude uplift centered on KaikÅura Peninsula. The exceptional detail afforded by differential lidar and the high variability in coastal deformation combine to form the highest-resolution and most complex record of coseismic coastal deformation yet documented. This should prompt reassessment of coastal paleoseismic records that may not have considered multi-fault ruptures and high complexity deformation fields.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Earth and Planetary Science Letters - Volume 474, 15 September 2017, Pages 334-344
Journal: Earth and Planetary Science Letters - Volume 474, 15 September 2017, Pages 334-344
نویسندگان
K.J. Clark, E.K. Nissen, J.D. Howarth, I.J. Hamling, J.J. Mountjoy, W.F. Ries, K. Jones, S. Goldstien, U.A. Cochran, P. Villamor, S. Hreinsdóttir, N.J. Litchfield, C. Mueller, K.R. Berryman, D.T. Strong,