Fault Slip Rates and Seismic Moment Deficits on Major Active Faults in Middle and South Parts of the Eastern Margin of the Tibetan Plateau

2014 ◽  
Vol 57 (2) ◽  
pp. 177-194 ◽  
Author(s):  
LI Yu-Hang ◽  
HAO Ming ◽  
JI Ling-Yun ◽  
QIN Shan-Lan
Keyword(s):  
Tibetan Plateau ◽  
Seismic Moment ◽  
Active Faults ◽  
Fault Slip ◽  
The Tibetan Plateau ◽  
Slip Rates ◽  
Eastern Margin ◽  
Fault Slip Rates

scholarly journals Database of Active Faults in Slovenia: Compiling a New Active Fault Database at the Junction Between the Alps, the Dinarides and the Pannonian Basin Tectonic Domains

2021 ◽  
Vol 9 ◽  
Author(s):  
Jure Atanackov ◽  
Petra Jamšek Rupnik ◽  
Jernej Jež ◽  
Bogomir Celarc ◽  
Matevž Novak ◽  
...  
Keyword(s):  
Seismic Hazard ◽  
Input Data ◽  
Active Fault ◽  
Pannonian Basin ◽  
Mass Movement ◽  
Active Faults ◽  
Fault Slip ◽  
Slip Rates ◽  
Fault Slip Rates ◽  
The Alps

We present the compilation of a new database of active faults in Slovenia, aiming at introducing geological data for the first time as input for a new national seismic hazard model. The area at the junction of the Alps, the Dinarides, and the Pannonian Basin is moderately seismically active. About a dozen Mw > 5.5 earthquakes have occurred across the national territory in the last millennium, four of which in the instrumental era. The relative paucity of major earthquakes and low to moderate fault slip rates necessitate the use of geologic input for a more representative assessment of seismic hazard. Active fault identification is complicated by complex regional structural setting due to overprinting of different tectonic phases. Additionally, overall high rates of erosion, denudation and slope mass movement processes with rates up to several orders of magnitude larger than fault slip rates obscure the surface definition of faults and traces of activity, making fault parametrization difficult. The presented database includes active, probably active and potentially active faults with trace lengths >5 km, systematically compiled and cataloged from a vast and highly heterogeneous dataset. Input data was mined from published papers, reports, studies, maps, unpublished reports and data from the Geological Survey of Slovenia archives and dedicated studies. All faults in the database are fully parametrized with spatial, geometric, kinematic and activity data with parameter descriptors including data origin and data quality for full traceability of input data. The input dataset was compiled through an extended questionnaire and a set of criteria into a homogenous database. The final database includes 96 faults with 240 segments and is optimized for maximum compatibility with other current maps of active faults at national and EU levels. It is by far the most detailed and advanced map of active faults in Slovenia.

scholarly journals Geodetic fault slip rates on active faults in the Baza sub-Basin (SE Spain): Insights for seismic hazard assessment

2021 ◽  
Vol 144 ◽  
pp. 101815
Author(s):  
P. Alfaro ◽  
A. Sánchez-Alzola ◽  
I. Martin-Rojas ◽  
F.J. García-Tortosa ◽  
J. Galindo-Zaldívar ◽  
...  
Keyword(s):  
Seismic Hazard ◽  
Hazard Assessment ◽  
Active Faults ◽  
Seismic Hazard Assessment ◽  
Fault Slip ◽  
Se Spain ◽  
Slip Rates ◽  
Fault Slip Rates

Fault interaction and strain partitioning in southeastern Tibetan Plateau: from kinematics to geodynamics

2020 ◽  
Author(s):  
Li Yin
Keyword(s):  
Tibetan Plateau ◽  
Fault Slip ◽  
Fault System ◽  
Strain Partitioning ◽  
Fault Interaction ◽  
Slip Rates ◽  
Southeastern Tibetan Plateau ◽  
Fault Systems ◽  
Fault Strength ◽  
Fault Slip Rates

<p>In southeastern Tibetan Plateau, the Xianshuihe-Xiaojiang fault system (XXFS) and its neighboring fault systems collectively accommodates the material extrusion of the Tibetan Plateau. However we do not mechanically understand how these faults interact with each other and how the fault interaction impacts strain partitioning, fault slip rates, and seismicity in this region. We develop and use a three-dimensional viscoelastoplastic finite element model to simulate regional deformation, fault slip rates, and fault interaction in the fault system of southeastern Tibetan Plateau. We investigate the effects of inception and activity of faults, fault strength, lithospheric rheology, and topography on partitioning of strain and fault slip rates. Model results show that fault strength, lithospheric rheology, and topography all significantly influence the strain partitioning and slip rates on faults. The initiation of the Daliangshan fault results mainly from the non-smooth fault geometry of the main trace of the XXFS. Our model results support the hypothesis of codependent slip rate between fault systems. For the present fault configuration, our model predicts localized strain in the Daliangshan faults, Yingjing-Mabian faults, and Lianfeng-Zhaotong faults, where numerous earthquakes occurred in recent years.</p>

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