Kinematics and controlling factors of slow-moving landslides in central Texas: A multisource data fusion approach




Gebremichael, Esayas
Hernandez, Rosbeidy
Alsleben, Helge
Ahmed, Mohamed
Denne, Richard
Harvey, Omar

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The Austin metropolitan area has experienced unprecedented economic and population growth over the past two decades. This rapid growth is leading communities to settle in areas susceptible to landslides, necessitating a comprehensive analysis of landslide risks and the development of early warning systems. This could be accomplished with better confidence for slow-moving landslides, whose occurrences could be forecasted by monitoring precursory ground displacement. This study employed a combination of ground- and satellite-based observations and techniques to assess the kinematics of slow-moving landslides and identify the controlling and triggering factors that contribute to their occurrence. By closely examining landslide events in the Shoal Creek area, potential failure modes across the study area were inferred. The findings revealed that landslide-prone areas are undergoing creep deformation at an extremely slow rate (up to −4.29 mm/yr). These areas lie on moderate to steep slopes (>22◦) and are predominantly composed of clay-rich units belonging to the Del Rio and Eagle Ford formations. Based on the incidents at Shoal Creek, episodes of intense rainfall acting on the landslide-prone areas are determined to be the main trigger for landslide processes in the region.



precursory deformation, slow-moving landslides, clay, early warning, rainfall, InSAR


This research received no external funding.


CC BY 4.0 DEED Attribution 4.0 International


Gebremichael, E.; Hernandez, R.; Alsleben, H.; Ahmed, M.; Denne, R.; Harvey, O. Kinematics and Controlling Factors of Slow-Moving Landslides in Central Texas: A Multisource Data Fusion Approach. Geosciences 2024, 14, 133. geosciences14050133