Background seismicity rate at subduction zones linked to slab‐bending‐related hydration
Background seismicity rate at subduction zones linked to slab‐bending‐related hydration
复制标题
俯冲带的背景地震活动率与板片弯曲相关的水化有关
DOI:
10.1002/2015gl064578
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发表时间:
2015
影响因子:
5.2
通讯作者:
and S. Ide
中科院分区:
文献类型:
--
作者:
Nishikawa;T.;and S. Ide
Tectonic properties strongly control variations in seismicity among subduction zones. In particular, fluid distribution in subduction zones influences earthquake occurrence, and it varies among subduction zones due to variations in fluid sources such as hydrated oceanic plates. However, the relationship between variations in fluid distribution and variations in seismicity among subduction zones is unclear. Here we divide Earth's subduction zones into 111 regions and estimate background seismicity rates using the epidemic type aftershock sequence model. We demonstrate that background seismicity rate correlates to the amount of bending of the incoming oceanic plate, which in turn is related to the hydration of oceanic plates via slab‐bending‐related faults. Regions with large bending may have high‐seismicity rates because a strongly hydrated oceanic plate causes high pore fluid pressure and reduces the strength of the plate interface. We suggest that variations in fluid distribution can also cause variations in seismicity in subduction zones.
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影响因子:
18.3
作者:
M. Moreno;C. Haberland;O. Oncken;A. Rietbrock;S. Angiboust;O. Heidbach
通讯作者:
M. Moreno;C. Haberland;O. Oncken;A. Rietbrock;S. Angiboust;O. Heidbach
影响因子:
--
作者:
C. Scholz;J. Campos
通讯作者:
C. Scholz;J. Campos
影响因子:
18.3
作者:
T. Nishikawa;S. Ide
通讯作者:
T. Nishikawa;S. Ide
DOI:
--
发表时间:
1989
期刊:
影响因子:
--
作者:
L. Ruff
通讯作者:
L. Ruff
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
F. Correa;C. Demets;D. Alvarado;H. Turner;G. Mattioli;D. Hernández;C. Pullinger;M. Rodriguez;C. Tenorio
通讯作者:
C. Tenorio