Link between the Nankai underthrust turbidites and shallow slow earthquakes

JO Park, E Jamali Hondori - Scientific Reports, 2023 - nature.com
Trench sediments such as pelagic clay or terrigenous turbidites have long been invoked to
explain the seismogenic behavior of the megathrust fault (ie, décollement). Recent …

Structural anomaly at the boundary between strong and weak plate coupling in the central‐western Nankai Trough

Y Nakamura, K Shiraishi, G Fujie… - Geophysical …, 2022 - Wiley Online Library
To investigate structural characteristics associated with variations in slip behavior on the
plate boundary in the Nankai subduction zone, we conducted seismic reflection surveys in …

Comprehensive characterizations of core sediments recovered from Shenhu W17 well in South China sea and its impact on methane hydrate kinetics

Y Li, C Xu, J Zhu, H Lu, Y Liu, Y Gu, Z Pan… - Gas Science and …, 2024 - Elsevier
Abstract Natural Gas Hydrates (NGH) is considered a vast unconventional energy source
that holds significant promise in addressing future energy demands. In Shenhu area …

Nankai forearc structural and seismogenic segmentation caused by a magmatic intrusion off the Kii Peninsula

G Kimura, Y Nakamura, K Shiraishi… - Geochemistry …, 2022 - Wiley Online Library
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 …

Composition of fine‐grained sediment in the Hikurangi Trough: Evidence for intermingling among axial gravity flows, transverse gravity flows and margin‐parallel …

MB Underwood - Sedimentology, 2023 - Wiley Online Library
ABSTRACT The International Ocean Discovery Program cored five sites during Expeditions
372 and 375 to investigate the Hikurangi margin, offshore Poverty Bay, North Island, New …

[HTML][HTML] Structural control and tectono-sedimentary evolution of the Gulf of Cadiz, SW Iberia since the late Miocene: Implications for contourite depositional system

D Duarte, C Roque, ZL Ng, FJ Hernández-Molina… - Marine Geology, 2022 - Elsevier
Abstract The Gulf of Cadiz Contourite Depositional System (GCCS) developed due to the
interaction of the Mediterranean Outflow Water (MOW) with the middle continental slope of …

[HTML][HTML] Potential fluid migration process inferred from integrated active-source seismic imaging in the Nankai Trough subduction zone off Cape Muroto, Japan

K Shiraishi, G Fujie, R Arai, Y Nakamura - Marine and Petroleum Geology, 2025 - Elsevier
We investigate the potential fluid migration process in a plate subduction zone on the basis
of integrated active-source seismic imaging from multichannel seismic (MCS) reflection and …

Frontal Thrust Ramp‐Up and Slow Earthquakes Due To Underthrusting of Basement High in the Nankai Trough

G Kimura, K Shiraishi, Y Nakamura… - Geochemistry …, 2024 - Wiley Online Library
Recently, integrated geophysical‐geological surveys in the Nankai subduction zone in
Japan have revealed that slow earthquakes repeatedly occur beneath the outer wedge of …

Deformation mechanisms and fluid conditions of mélange shear zones associated with seamount subduction

M Frank, K Ujiie, G Motohashi, T Nagaya - Progress in Earth and Planetary …, 2024 - Springer
Lithologic heterogeneity and the presence of fluids have been linked to seamount
subduction and collocated with slow earthquakes. However, the deformation mechanisms …

Link between geometrical and physical property changes along Nankai Trough with slow earthquake activity revealed by dense reflection survey

PCM Flores, S Kodaira, G Kimura… - Geophysical …, 2024 - Wiley Online Library
We examined the possible factors affecting the spatial distribution of very low frequency
earthquakes and tremors in the shallow megathrust of Nankai Trough (< 30 km) using a …