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11 results for “Quaternary faults”
Late Quaternary activity of the NW Cardrona Fault, Otago, New Zealand - Supplements S1 and S2
<p>Supplementary material to accompany: van den Berg, E. J., Williams, J. N.*, Stirling, M. W., Barrell, D. J. A., Griffin, J. D., Litchfield, N. J., & Wang, N. (2024). Late Quaternary activity of the NW Cardrona Fault, Otago, New Zealand. <em>New Zealand Journal of Geology and Geophysics</em>, 1–21. https://doi.org/10.1080/00288306.2023.2297962</p> <p>This dataset includes:</p> <ul> <li>Supplement S1: Supplementary figures S1-S3</li> <li>Supplement S2: Code used to generate the OxCal models for the Macdonalds Creek and Gibbston trenches</li> </ul> <p>*Corresponding author: jack.williams@otago.ac.nz</p>
Three-dimensional offsets of geomorphic piercing lines displaced by the quaternary-active Beaufort range fault, northern Cascadia forearc, BC, Canada
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What controls active faulting in Tertiary and Quaternary sequences ?
<p>Structural, geomechanical and XRD datasets obtained from outcrop investigations of Galera Fault zone located in the Guadix-Baza basin, SE Spain is presented here.</p>
Geomorphic dating of across-fault gully incision reveals time-invariant late Quaternary slip-rates at the eastern termination of the Altyn Tagh Fault
<p>Interpretation of fault slip-rates inferred from tectonically offset fluvial landforms is often limited by uncertainties associated with difficulties to explicitly date fluvial incision across the fault. Here, we employed morphology-based modeling to ameliorate this universal dating limitation for gullies that were differentially offset in a sinistral sense across the Altyn Tagh Fault near its eastern termination at ~97°E. Using a stream-power erosion model with locally calibrated coefficients we calculated across-fault gully incision ages that decrease with offset magnitude, are up to threefold younger than the age of the terrace they incised and all-together point towards time-invariant sinistral slip. Luminescence dating of offset alluvial terraces at the same site suggests constant sinistral slip at 0.5±0.1 mm/yr since 52±4 ka. Our results are consistent with northeastward expansion of the Tibetan Plateau into stable parts of central Asia through an episodic, “stepwise” process punctuated by prolonged geologic time intervals of constant deformation rates.</p>
Quaternary-Host Faults Database 2.0 (Southern Italy)
<p>The “<strong>Q-host faults database 2.0</strong>” is an original compilation, on a GIS platform, of Quaternary faults hosting the Structural Sites (SS) of the QUIN 2.0 database and neighboring to them and follows the approach adopted by Lavecchia et al. (2022) in QUIN 1.0 (https://doi.org/10.5281/zenodo.6412501; https://doi.org/10.1038/s41597-022-01311-8).</p> <p>The Q-host faults database 2.0 is supplementary to "QUIN 2.0 - new release of the QUaternary fault strain INdicators database from the Southern Apennines of Italy", which is the second release of the QUIN 1.0 database. </p> <p>Authors of the related article: Giusy Lavecchia<sup>1,2</sup>, Simone Bello<sup>1,2<strong>*,</strong></sup>, Carlo Andrenacci<sup>1,2</sup>, Daniele Cirillo<sup>1,2</sup>, Federico Pietrolungo<sup>1,2</sup>, Donato Talone<sup>1,2</sup>, Federica Ferrarini<sup>1,2</sup>, Rita de Nardis<sup>1,2</sup>, Paolo Galli<sup>3,4</sup>, Joanna Faure Walker<sup>5</sup>, Claudia Sgambato<sup>6</sup>, Marco Menichetti<sup>2,7</sup>, Carmelo Monaco<sup>2,8,9</sup>, Salvatore Gambino<sup>2,8</sup>, Giorgio De Guidi<sup>2,8</sup>, Giovanni Barreca<sup>2,8</sup>, Francesco Carnemolla<sup>2,8</sup>, Fabio Brighenti<sup>2,8</sup>, Salvatore Giuffrida<sup>2,8</sup>, Filippo Carboni<sup>2,10,11</sup>, Luigi Ferranti<sup>2,12</sup>, Luisa Valoroso<sup>13</sup>, Giovanni Toscani<sup>2,14</sup>, Massimiliano R. Barchi<sup>2,11</sup>, Gerald Roberts<sup>6</sup> & Francesco Brozzetti<sup>1,2</sup></p> <p>*corresponding author: simone.bello@unich.it </p> <p>1. DiSPuTer, Università degli Studi “G. d’Annunzio” Chieti-Pescara, Chieti, Italy. 2. CRUST - Centro inteRUniversitario per l’analisi Sismotettonica Tridimensionale, Chieti, Italy. 3. Dipartimento della Protezione Civile, 00193 Rome, Italy. 4. Istituto di Geologia Ambientale e Geoingegneria (IGAG) del Consiglio Nazionale delle Ricerche (CNR), Monterotondo 00016 Rome, Italy. 5. Institute for Risk and Disaster Reduction, University College London, London, UK. 6. Department of Earth and Planetary Sciences, Birkbeck, University of London, London, UK. 7. Università degli Studi di Urbino Carlo Bo, Urbino, Italy. 8. Dipartimento di Scienze Biologiche Geologiche e Ambientali, Università di Catania, 95129, Italy. 9. Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Etneo-Sezione di Catania, Catania, Italy. 10. Institute of Earth and Environmental Sciences (Geology), Albert-Ludwigs-University Freiburg, Germany. 11. Dipartimento Fisica e Geologia, Università Degli Studi di Perugia, Italy. 12. DiSTAR, Università degli Studi di Napoli Federico II, Naples, Italy. 13. Istituto Nazionale di Geofisica e Vulcanologia, Rome. 14. Dipartimento di Scienze della Terra e dell’Ambiente, Università di Pavia, Italy.</p>
Data from: Ambient noise tomography of upper crustal structures and Quaternary faults in the Seoul metropolitan area and its geological implications
<p class="0"><span><span><span>We investigate the upper-crustal seismic velocity structure in the Seoul metropolitan</span> <span>area, where about 20 million people live. The Chugaryeong fault zone (CFZ) is</span> <span>placed in this area, but the seismic hazard potential remains unclear. We conducted</span> <span>ambient noise tomography to illuminate the high-resolution upper-crustal structure</span> <span>in the Seoul metropolitan area. We analyzed continuous vertical seismic records</span> <span>for ~5 months from a dense seismic array with 77 broadband stations. Group</span> <span>velocity dispersion curves and tomographic maps were extracted between 0.5 and 10</span> <span>s periods. We inverted 3-D group velocity tomography models up to a depth of ~10</span> <span>km from the group velocity maps. The shear-wave velocity model is consistent with</span> <span>the geological features. High-velocity anomalies at shallow depths are correlated</span> <span>with the surface topography and geology. The CFZ is located at a low velocity below the 5 km depth and presented as the simplified model. The large </span><span>V</span><span><sub>S</sub> </span><span>contrast</span> <span>regions are located beneath NS-trending faults. The cross-sections coincide with</span> <span>the near-vertical strike-slip faults in this area. In the southern region of the Seoul</span> <span>metropolitan area, low-velocity anomalies correlate with high heat flow regions. Our</span> <span>results effectively suggest high resolution upper-crustal structures and subsurface</span> <span>hidden faults in the urban area.</span></span></span></p>
Late Quaternary slip rate of the Aksay segment and its fast decreasing gradient along the Altyn Tagh fault
<p>Constraining the fault slip rate could reveal the strain accumulation and partitioning pattern. The Aksay segment, the eastern segment of the ATF (Altyn Tagh Fault), as the starting area where the slip rate of ATF decreases, is a strain partitioning zone. The spatial and temporal distribution of fault slip rate along the Aksay segment is of great significance to clarify the role of it in the strain-partitioning of the eastern ATF. We determined the slip rate of four sites along the Aksay segment respectively. The results demonstrated that the slip rate decreased dramatically with an overwhelmingly high slip gradient of ~9.8 mm/yr/100 km within a distance of ~50 km. The slip rate gradient at the Aksay segment is ~4 times of that of the Subei segment to the eastward termination of the ATF. We proposed that the decreased slip rate was absorbed principally by the uplifting of the Danghe Nan Shan. Our results indicated that the slip rate gradient along the ATF was not uniform, and decreased eastward with variable slip rate gradients at different segments, resulting in the uplifting of the mountains oblique with the ATF.</p>
Data from: Ambient noise tomography of upper crustal structures and Quaternary faults in the Seoul metropolitan area and its geological implications
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Late Quaternary slip rate of the Aksay segment and its fast decreasing gradient along the Altyn Tagh fault
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QUIN 2.0 - new release of the QUaternary fault strain INdicators database from the Southern Apennines of Italy
<p>This database relates to the paper “QUIN 2.0 - new release of the QUaternary fault strain INdicators database from the Southern Apennines of Italy”, by:</p> <p>Giusy Lavecchia<sup>1,2</sup>, Simone Bello<sup>1,2<strong>*</strong></sup>, Carlo Andrenacci<sup>1,2</sup>, Daniele Cirillo<sup>1,2</sup>, Federico Pietrolungo<sup>1,2</sup>, Donato Talone<sup>1,2</sup>, Federica Ferrarini<sup>1,2</sup>, Rita de Nardis<sup>1,2</sup>, Paolo Galli<sup>3,4</sup>, Joanna Faure Walker<sup>5</sup>, Claudia Sgambato<sup>6</sup>, Marco Menichetti<sup>2,7</sup>, Carmelo Monaco<sup>2,8,9</sup>, Salvatore Gambino<sup>2,8</sup>, Giorgio De Guidi<sup>2,8</sup>, Giovanni Barreca<sup>2,8</sup>, Francesco Carnemolla<sup>2,8</sup>, Fabio Brighenti<sup>2,8</sup>, Salvatore Giuffrida<sup>2,8</sup>, Filippo Carboni<sup>2,10,11</sup>, Luigi Ferranti<sup>2,12</sup>, Luisa Valoroso<sup>13</sup>, Giovanni Toscani<sup>2,14</sup>, Massimiliano R. Barchi<sup>2,11</sup>, Gerald Roberts<sup>6</sup> & Francesco Brozzetti<sup>1,2</sup></p> <p>QUIN 2.0 is a second release (after QUIN 1.0, Lavecchia et al., 2022 - Scientific Data) and includes 4,297 Fault Striation Pairs on 738 Structural Sites from southern Italy.</p> <p>The manuscript related to the dataset here hosted is on the Journal "Scientific Data", where each of the fields of the dataset is described. Refer to the manuscript for details.</p>
Influence of the Canossa-San Romano Fault on the Quaternary deposits of the Roteglia Terrace (Northern Apennines, Italy)
<p>Data of publication in Atti della Soc. dei Nat. e Mat. di Modena, 153 (2022), pp. 49-66.</p>
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