subduction zone
Geochemistry of continental subduction zone fluids
... continental subduction-zone fluids varies dramatically from dilute aqueous solutions at subsolidus conditions to hydrous silicate melts at supersolidus conditions, with variable concentrations of ...
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Action of Shear Stress on a Shallow Subduction Zone as Inferred from an Elastic Plate Model
... oceanic subduction zone has been investigated using elastic plate models by the use of the two-dimensional finite element method (2-D FEM) in plane strain [1, 2, 3, ...shallow subduction zone ...
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Slab stress field in the Hellenic subduction zone as inferred from intermediate depth earthquakes
... various subduction zones where the stress state of the slab changes from top to bottom (Kawakatsu and Seno, ...Hellenic subduction zone hides the existence of a DWBZ and leads to the observed ...
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Propagation of the 2001–2002 silent earthquake and interplate coupling in the Oaxaca subduction zone, Mexico
... Fig. 1. The study area encompasses Guerrero and Oaxaca states of Mexico. Shaded ellipse-like areas annotated with the years are rupture areas of the most recent major thrust earthquakes (M ≥ 6.5) in the Mexican ...
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Pressure dependence of fluid transport properties of shallow fault systems in the Nankai subduction zone
... fault zone may act as a barrier to fluid flow, but the frontal thrust fault zone might ...permeable zone, which may have formed in the Japan Trench subduction zone, might prevent ...
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Resistivity structure of high angle subduction zone in the southern Kyushu district, southwestern Japan
... of the forearc conductor because serpentinite is both low in density and conductive (Stesky and Brace, 1973; Drury and Hyndman, 1979). Toh (1993) also discussed the possibility of the serpentine diapir as a cause of the ...
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Construction of semi dynamic model of subduction zone with given plate kinematics in 3D sphere
... We present a semi-dynamic subduction zone model in a three-dimensional spherical shell. In this model, velocity is imposed on the top surface and in a small three-dimensional region around the shallow plate ...
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Late Stage Interseismic Strain Interval, Cascadia Subduction Zone Margin, USA and Canada
... central Cascadia margin into Vancouver Island, British Columbia, Canada, and south of the central margin into southern Oregon and northern California. The modern accumulation of horizontal strain in the upper plate has ...
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Frictional properties of sediments entering the Costa Rica subduction zone offshore the Osa Peninsula: implications for fault slip in shallow subduction zones
... The subduction zone beneath the Caribbean plate is also characterized by strong variations in fault-slip ...Rica subduction zone, not only at depths of 25 to 30 km near the down-dip limit of ...
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Dating and morpho-stratigraphy of uplifted marine terraces in the Makran subduction zone (Iran)
... The subduction zone is bounded on the west and east by strike-slip fault zones linking the Makran trench to the neighboring continental collisional systems that are the Zagros and Himalaya, ...suture ...
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Along trench structural variation and seismic coupling in the northern Japan subduction zone
... a subduction zone where the old, cool Pacific plate is subducting westward beneath the northeastern Japan arc at a rate of 8–9 cm/year (DeMets et ...this subduction zone is presum- ably ...
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Geodetic and seismic signatures of episodic tremor and slip in the northern Cascadia subduction zone
... Cascadia subduction zone interface by observing transient surface deformation on a network of continuously recording Global Positioning System (GPS) ...the subduction zone, and, for the ...
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Tomographic image of low P velocity anomalies above slab in northern Cascadia subduction zone
... The Juan de Fuca plate is subducting beneath the North America plate at a rate of about 4.5 cm/yr at the Cascadia continental margin (Fig. 1). The method of seismic tomog- raphy has been used to study the structure of ...
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Regional electrical structure of the Andean subduction zone in central Chile (35°–36°S) using magnetotellurics
... At greater depths, resistivity values range from 1000 Ωm to more than 3000 Ωm. Two interesting features are found here, the first below the Coastal Cordillera and Central Valley at 35 km depth (R1 in Fig. 5) and the ...
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The influence of carbonate platform interactions with subduction zone volcanism on palaeo-atmospheric CO2 since the Devonian
... of subduction zones, especially in the pre-Pangaea time ...along subduction zones, and quantification of all geochemical decarbonation reactions is still in infancy (Gonzales et ...of subduction ...
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A possible effect of an intermediate depth intraslab earthquake on seismic cycles of interplate earthquakes at a subduction zone
... Numerical simulation using a rate- and state-dependent friction law is done for understanding the effect of an in- termediate depth intraslab earthquake on seismic cycles of interplate earthquakes at a subduction ...
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Estimation of slip rate and fault displacement during shallow earthquake rupture in the Nankai subduction zone
... of subduction zone, and to faults whose slip parame- ters are deduced by seismic observations, one candidate is a deeper part of the megasplay fault in the Nankai trough, which is planned to be drilled by ...
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Empirical relocation of large subduction zone earthquakes via the teleseismic network correlation coefficient method
... and Taggart 1968) and volcanic regions (e.g., Lomax et al. 2001). Furthermore, these models can introduce potential baseline bias, such as the 1.2-s baseline shift of the S-wave arrivals at epicentral distances of ...
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Is the Ryukyu subduction zone in Japan coupled or decoupled? —The necessity of seafloor crustal deformation observation
... the subduction is de- coupled or coupled in the Ryukyu subduction ...the subduction process along the Ryukyu trench is very important in order to gain an understanding of the cou- pling condition ...
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Numerical Simulations of Seismic Wave Propagation in Anisotropic and Heterogeneous Earth Models: The Japan Subduction Zone
... the subduction zones on the Earth, the Japan subduction zone is the most extensively studied, with the aid of very dense station coverage and traveltime tomographic method [Zhao et ...relative ...
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