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    Academic Journals

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• Select Eight-year catalog of deep short-term slow slip events at the Nankai trough based on objective detection algorithm using strain and tilt records.

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  Eight-year catalog of deep short-term slow slip events at the Nankai trough based on objective detection algorithm using strain and tilt records.

  Authors:Suguru Yabe, Tadafumi Ochi, Norio Matsumoto, Satoshi Itaba, Yuichi Kitagawa, and Takanori MatsuzawaFrom:Earth, Planets and Space (Vol. 75, Issue 1) Peer-Reviewed

  Dec. 202310,425 words Report 1300LIn subduction zones, slip deficit monitoring along the plate interface is important for understanding the seismogenesis of megathrust earthquakes. In the last two decades, aseismic slip transients, such as slow slip...
• Select Iron oxidation state in serpentines and magnesian chlorites of subduction-related rocks.

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  Iron oxidation state in serpentines and magnesian chlorites of subduction-related rocks.

  Authors:Bruno Reynard, Clémentine Fellah, and Catherine McCammonFrom:European Journal of Mineralogy (Vol. 34, Issue 6) Peer-Reviewed

  Dec. 14, 2022260 words Report, Author abstr... The ferric iron content in hydrothermally altered ultrabasic rocks and their major minerals, serpentines and Mg-chlorites, is important for establishing the oxidation state budget from oceanic ridges to subduction zones,...
• Select Historical tsunami observability for Izu-Bonin-Mariana sources.

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  Historical tsunami observability for Izu-Bonin-Mariana sources.

  Authors:Walter Szeliga, Rachelle Reisinger, and Breanyn MacInnesFrom:Earth, Planets and Space (Vol. 74, Issue 1) Peer-Reviewed

  Dec. 20229,091 words Report 1500LThe Izu-Bonin-Mariana Subduction System (IBM) is one of the longest subduction zones in the world with no instrumental history of shallow focus, great earthquakes (Mw > 8). Over the last 50 years, researchers have...
• Select Deficit of Large Aftershocks as an Indicator of Afterslip at the Sources of Earthquakes in Subduction Zones.

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  Deficit of Large Aftershocks as an Indicator of Afterslip at the Sources of Earthquakes in Subduction Zones.

  Authors:P. N. Shebalin, I. A. Vorobieva, S. V. Baranov, and V. O. MikhailovFrom:Doklady Earth Sciences (Vol. 498, Issue 1) Peer-Reviewed

  May 20211,855 words Article 1440LA relative decrease in the fraction of large aftershocks in the first days after earthquakes in subduction zones is demonstrated, and a connection of this phenomenon with aseismic stress release is shown. Author(s): P....
• Select A tectonic-rules-based mantle reference frame since 1 billion years ago - implications for supercontinent cycles and plate-mantle system evolution.

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  A tectonic-rules-based mantle reference frame since 1 billion years ago - implications for supercontinent cycles and plate-mantle system evolution.

  Authors:R. Dietmar Müller, Nicolas Flament, John Cannon, Michael G. Tetley, Simon E. Williams, Xianzhi Cao, et al.From:Solid Earth (Vol. 13, Issue 7) Peer-Reviewed

  July 7, 2022463 words Article Understanding the long-term evolution of Earth's plate-mantle system is reliant on absolute plate motion models in a mantle reference frame, but such models are both difficult to construct and controversial. We present a...
• Select The effect of low-viscosity sediments on the dynamics and accretionary style of subduction margins.

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  The effect of low-viscosity sediments on the dynamics and accretionary style of subduction margins.

  Authors:Adina E. Pusok, Dave R. Stegman, and Madeleine KerrFrom:Solid Earth (Vol. 13, Issue 9) Peer-Reviewed

  Sept. 23, 2022302 words Brief article Observations of sediments at subduction margins appear to divide them into two classes: accretionary and erosive. Accretionary margins are dominated by accretion of thick piles of sediments (1 km) from the subducting...
• Select Detailed S-wave velocity structure of sediment and crust off Sanriku, Japan by a new analysis method for distributed acoustic sensing data using a seafloor cable and seismic interferometry.

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  Detailed S-wave velocity structure of sediment and crust off Sanriku, Japan by a new analysis method for distributed acoustic sensing data using a seafloor cable and seismic interferometry.

  Authors:Shun Fukushima, Masanao Shinohara, Kiwamu Nishida, Akiko Takeo, Tomoaki Yamada, and Kiyoshi YomogidaFrom:Earth, Planets and Space (Vol. 74, Issue 1) Peer-Reviewed

  June 13, 20226,824 words Report 1480LThe S-wave velocity (Vs) structure of sediments and the uppermost crust in the landward slope of a subduction zone are important for determining the dynamics of the overriding plate. Although distributed acoustic sensing...
• Select A possible mechanism for spontaneous cyclic back-arc spreading.

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  A possible mechanism for spontaneous cyclic back-arc spreading.

  Authors:Kazuhiko Ishii and Simon R. WallisFrom:Progress in Earth and Planetary Science (Vol. 9, Issue 1) Peer-Reviewed

  May 18, 202211,823 words Article 1630LBack-arc spreading is a non-steady-state process exemplified by the repeated cycles of spreading of the South Fiji and the Lau Basins behind the Tonga arc, and the Parece Vela Basin and the Mariana Trough behind the...
• Select Aqueous fluids are effective oxidizing agents of the mantle in subduction zones.

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  Aqueous fluids are effective oxidizing agents of the mantle in subduction zones.

  Authors:Kayla Iacovino, Meghan R. Guild, and Christy B. TillFrom:Contributions to Mineralogy and Petrology (Vol. 175, Issue 4) Peer-Reviewed

  Mar. 31, 202015,407 words Article 1530LAqueous fluids produced by dehydration of the downgoing slab facilitate chemical exchange in subduction zones, but the efficiency of fluid-mediated redox transfer as a mechanism to deliver oxidized material from the slab...
• Select Crystal chemistry and partitioning of halogens in hydrous silicates.

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  Crystal chemistry and partitioning of halogens in hydrous silicates.

  Authors:Sarah Figowy, Benoît Dubacq, and Philippe D'ArcoFrom:Contributions to Mineralogy and Petrology (Vol. 176, Issue 12) Peer-Reviewed

  Dec. 202113,929 words Article 1360LUnderstanding how halogens are distributed among usual hydrous silicates in the lithosphere is important to constrain their deep geochemical cycle and fluid-rock interactions in subduction zones. This article presents...
• Select Simple topographic parameter reveals the along-trench distribution of frictional properties on shallow plate boundary fault.

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  Simple topographic parameter reveals the along-trench distribution of frictional properties on shallow plate boundary fault.

  Authors:Hiroaki Koge, Juichiro Ashi, Jin-Oh Park, Ayumu Miyakawa, and Suguru YabeFrom:Earth, Planets and Space (Vol. 74, Issue 1) Peer-Reviewed

  Apr. 21, 20227,163 words Report 1540LThe critical taper model best describes the first-order mechanics of subduction zone wedges. The wedge geometry, which is conventionally defined by two parameters, slope angle and basal dip angle, accounts for the...
• Select Forearc density structure of the overriding plate in the northern area of the giant 1960 Valdivia earthquake.

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  Forearc density structure of the overriding plate in the northern area of the giant 1960 Valdivia earthquake.

  Authors:Andrei Maksymowicz, Daniela Montecinos-Cuadros, Daniel Díaz, María José Segovia, and Tomás ReyesFrom:Solid Earth (Vol. 13, Issue 1) Peer-Reviewed

  Jan. 12, 2022251 words Brief article The objective of this work is to analyse the density structure of the continental forearc in the northern segment of the 1960 M.sub.w 9.6 Valdivia earthquake. Regional 2D and local 3D density models have been obtained...
• Select A new mechanical perspective on a shallow megathrust near-trench slip from the high-resolution fault model of the 2011 Tohoku-Oki earthquake.

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  A new mechanical perspective on a shallow megathrust near-trench slip from the high-resolution fault model of the 2011 Tohoku-Oki earthquake.

  Authors:Tatsuya Kubota, Tatsuhiko Saito, and Ryota HinoFrom:Progress in Earth and Planetary Science (Vol. 9, Issue 1) Peer-Reviewed

  Dec. 202211,861 words Article 1630LThe 2011 Tohoku-Oki earthquake generated a surprisingly large near-trench slip, and earth scientists have devoted significant attention to understanding why. Some studies proposed special rupture mechanisms, such as...
• Select Comment on "Spatial changes in inclusion band spacing as an indicator of temporal changes in slow slip and tremor recurrence intervals" by Nishiyama et al.

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  Comment on "Spatial changes in inclusion band spacing as an indicator of temporal changes in slow slip and tremor recurrence intervals" by Nishiyama et al.

  Author:Randolph T. WilliamsFrom:Earth, Planets and Space (Vol. 75, Issue 1) Peer-Reviewed

  Dec. 20231,582 words Report 1680LA recent paper by Nishiyama et al. (Earth, Planets, and Space 73:126) examined syntectonic quartz veins to constrain temporal variations in the recurrence intervals between slow slip and tremor events. The authors claim...
• Select Shallow tectonic tremor activities in Hyuga-nada, Nankai subduction zone, based on long-term broadband ocean bottom seismic observations.

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  Shallow tectonic tremor activities in Hyuga-nada, Nankai subduction zone, based on long-term broadband ocean bottom seismic observations.

  Authors:Yusuke Yamashita, Masanao Shinohara, and Tomoaki YamadaFrom:Earth, Planets and Space (Vol. 73, Issue 1) Peer-Reviewed

  Oct. 25, 20216,418 words Report 1460LThe study of slow earthquake activity, which occurs in the shallow and deep sides of seismogenic zone, is crucial for understanding subduction zones, including variations in frictional properties with depth and...
• Select High-fidelity elastic Green's functions for subduction zone models consistent with the global standard geodetic reference system.

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  High-fidelity elastic Green's functions for subduction zone models consistent with the global standard geodetic reference system.

  Authors:Takane Hori, Ryoichiro Agata, Tsuyoshi Ichimura, Kohei Fujita, Takuma Yamaguchi, and Takeshi IinumaFrom:Earth, Planets and Space (Vol. 73, Issue 1) Peer-Reviewed

  Dec. 20218,006 words Report 1610LGreen's functions (GFs) for elastic deformation due to unit slip on the fault plane comprise an essential tool for estimating earthquake rupture and underground preparation processes. These estimation results are often...
• Select Tectonic tremors in the Northern Mexican subduction zone remotely triggered by the 2017 M.sub.w8.2 Tehuantepec earthquake.

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  Tectonic tremors in the Northern Mexican subduction zone remotely triggered by the 2017 M.sub.w8.2 Tehuantepec earthquake.

  Authors:Masatoshi Miyazawa and Miguel Ángel SantoyoFrom:Earth, Planets and Space (Vol. 73, Issue 1) Peer-Reviewed

  Jan. 4, 20216,448 words Report 1590LSurface waves from the 2017 M.sub.w8.2 Tehuantepec earthquake remotely triggered tectonic tremors in the Jalisco region, approximately 1000 km WNW in the northern Mexican subduction zone. This is the first observation of...
• Select Earthquake ruptures and topography of the Chilean margin controlled by plate interface deformation.

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  Earthquake ruptures and topography of the Chilean margin controlled by plate interface deformation.

  Authors:Nadaya Cubas, Philippe Agard, and Roxane TissandierFrom:Solid Earth (Vol. 13, Issue 3) Peer-Reviewed

  Apr. 1, 2022341 words Brief article What controls the location and segmentation of mega-earthquakes in subduction zones is a long-standing problem in Earth sciences. Prediction of earthquake rupture extent mostly relies on interplate coupling models based...
• Select Bromine speciation and partitioning in slab-derived aqueous fluids and silicate melts and implications for halogen transfer in subduction zones.

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  Bromine speciation and partitioning in slab-derived aqueous fluids and silicate melts and implications for halogen transfer in subduction zones.

  Authors:Marion Louvel, Carmen Sanchez-Valle, Wim J. Malfait, Gleb S. Pokrovski, Camelia N. Borca, and Daniel GrolimundFrom:Solid Earth (Vol. 11, Issue 4) Peer-Reviewed

  July 2, 2020328 words Brief article Understanding the behavior of halogens (Cl, Br, and I) in subduction zones is critical to constrain the geochemical cycle of these volatiles and associated trace metals, as well as to quantify the halogen fluxes to the...
• Select The intrinsic nature of antigorite breakdown at 3 GPa: Experimental constraints on redox conditions of serpentinite dehydration in subduction zones.

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  The intrinsic nature of antigorite breakdown at 3 GPa: Experimental constraints on redox conditions of serpentinite dehydration in subduction zones.

  Authors:Juliette Maurice, Nathalie Bolfan-Casanova, Sylvie Demouchy, Paul Chauvigne, Federica Schiavi, and Baptiste DebretFrom:Contributions to Mineralogy and Petrology (Vol. 175, Issue 10) Peer-Reviewed

  Sept. 17, 202012,826 words Article 1500LAntigorite is considered as the most important source of water in subduction zones, playing a key role during arc magma genesis. Although, these magmas seem more oxidized than mid-oceanic ridge basalts (MORB), the...