Results 11 to 20 of about 458 (128)

NanTroSEIZE Stage 3: NanTroSEIZE Plate Boundary Deep Riser 2 [PDF]

open access: yes, 2014
The Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) is a multidisciplinary scientific project designed to investigate fault mechanics and seismogenesis along subduction megathrusts through reflection and refraction seismic imaging, direct ...
M. Strasser   +5 more
core   +3 more sources

Operational Review of the First Wireline In Situ Stress Test in Scientific Ocean Drilling [PDF]

open access: yesScientific Drilling, 2012
Scientific ocean drilling’s first in situ stress measurement was made at Site C0009A during Integrated Ocean Drilling Program (IODP) Expedition 319 as part of Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) Stage 2. The Modular Formation Dynamics
Casey Moore   +15 more
doaj   +2 more sources

On the Application of 1 Versus 2 State Variable Rate‐and‐State Friction Laws: An Example From the Nankai Trough Megasplay Fault Zone

open access: yesGeophysical Research Letters
Frictional slip behavior in fault zones can be analyzed with friction laws using 1 or 2 state variables, but the physical meaning and applicability of the 2‐state variable form of the law remain unclear.
Matt J. Ikari, Alexander Roesner
doaj   +2 more sources

Recent Advances in the Use of Drill Cuttings for Determining Subduction Zone Structure, Stratigraphy, and Stress State

open access: yesGeochemistry, Geophysics, Geosystems
Obtaining in situ samples from active subduction systems is critical for assessing the material properties and geological evolution of rocks and sediments that host plate boundary deformation, and advancing our understanding of the processes that lead to
P. H. Cornard   +8 more
doaj   +2 more sources

Thermal Conductivity Profile in the Nankai Accretionary Prism at IODP NanTroSEIZE Site C0002: Estimations From High‐Pressure Experiments Using Input Site Sediments [PDF]

open access: yesGeochemistry, Geophysics, Geosystems, 2020
Depth profiles of sediment thermal conductivity are required for understanding the thermal structure in active seismogenic zones. During the Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE), a scientific drilling project of the International Ocean
Weiren Lin   +5 more
doaj   +2 more sources

Steady‐State Effective Normal Stress in Subduction Zones Based on Hydraulic Models and Implications for Shallow Slow Earthquakes

open access: yesJournal of Geophysical Research: Solid Earth, Volume 128, Issue 2, February 2023., 2023
Abstract The spatial distribution of effective normal stress, , is essential for understanding the fault motion. Although Rice (1992, https://doi.org/10.1016/s0074-6142(08)62835-1) proposed a steady‐state solution for a vertical strike‐slip fault zone with constant fluid properties, models that are based on the concept by Rice (1992, https://doi.org/10.
Shunya Kaneki, Hiroyuki Noda
wiley   +1 more source

Nankai Forearc Structural and Seismogenic Segmentation Caused by a Magmatic Intrusion off the Kii Peninsula

open access: yesGeochemistry, Geophysics, Geosystems, Volume 23, Issue 8, August 2022., 2022
Abstract The causes for forearc basin and megathrust rupture zone segmentation are controversial. The Nankai forearc, Japan, is separated into five domains based on topography: Enshu, Kumano, Muroto, Tosa, and Hyuga. The boundaries of these domains correspond to the rupture limits of large earthquakes. We examined the geologic structure of the boundary
G. Kimura   +7 more
wiley   +1 more source

Bathymetric Signatures of Submarine Forearc Deformation: A Case Study in the Nankai Accretionary Prism

open access: yesGeochemistry, Geophysics, Geosystems, Volume 22, Issue 11, November 2021., 2021
Abstract Large earthquakes and tsunamis in subduction zone forearcs occur via slip on the shallow plate boundary and upper plate faults, but the locations, geometries, and slip histories of these faults can be difficult to constrain in regions with minimal subsurface geophysical and stratigraphic data.
Emily R. Schottenfels   +1 more
wiley   +1 more source

Spatial Patterns in Frictional Behavior of Sediments Along the Kumano Transect in the Nankai Trough

open access: yesJournal of Geophysical Research: Solid Earth, Volume 126, Issue 11, November 2021., 2021
Abstract Fault slip activity at subduction zones is governed by sediment frictional properties, which in turn are affected by diagenetic processes. To study the spatial patterns in frictional properties across the Nankai Trough, SW Japan, and their relations to fault slip activity, we used sediment samples (10%–59% clay mineral content) along the ...
Hanaya Okuda   +6 more
wiley   +1 more source

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