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Landslide studies along the national highway (NH 39) in Manipur

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Abstract

The present study investigates the factors associated with the occurrence of landslides along with the National Highway (NH 39) connecting Assam-Manipur (India) to Myanmar. Kinematics and slope stability analyses were used to gain an understanding of the causes of slope failure despite the terrain comprising material with a high safety factor. The study area falls within a high seismic zone along the regional Churachandpur-Mao Thrust (CMT) situated west of the Indo-Myanmar subduction zone. Based on these studies of seismicity, slip rates, creeping, among others, it was inferred that CMT is a creeping regional fault running parallel to the subduction zone boundary creeping segment of CMT and that the CMT requires further monitoring to assess the landslide hazard in the region.

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Acknowledgements

The present studies were carried out under the financial assistance of a Department of Science Technology grant [no. DST/Seis/Mission/Landslide/2001(6)]; the authors gratefully acknowledge this grant. The various observations made by Shri Pradeep Singh and JRF and various discussions with Prof. O. P. Goel and R. K. Chadha during the revision of the manuscripts are gratefully acknowledged.

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Authors and Affiliations

  1. Department of Earth Sciences, Manipur University, Imphal, 795003, India

    Arun Kumar & Manichandra Sanoujam

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  1. Arun Kumar
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  2. Manichandra Sanoujam
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Correspondence to Arun Kumar.

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Kumar, A., Sanoujam, M. Landslide studies along the national highway (NH 39) in Manipur. Nat Hazards 40, 603–614 (2007). https://doi.org/10.1007/s11069-006-9024-y

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  • DOI: https://doi.org/10.1007/s11069-006-9024-y

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