A Study of Active Chaman Fault System (CFS) Using SRTM DEM

Khubaib Abuzar; Saira Batool; Areeba Amer; Syed Amer Mahmood; Hania Arif; Bushra Talib; Muhammad Shahazad; Rana Muhammad Sohail Aslam

Authors

Khubaib Abuzar University of Sindh Jamshoro
Saira Batool Center For Integrated Mountain Research (CIMR), University of the Punjab, Lahore
Areeba Amer Wuhan University China
Syed Amer Mahmood Department of Space Science, University of the Punjab, Lahore
Hania Arif Department of Space Science, University of the Punjab, Lahore
Bushra Talib Department of Space Science, University of the Punjab, Lahore
Muhammad Shahazad Department of Computer Science (PUCIT), University of Punjab.
Rana Muhammad Sohail Aslam Wuhan University China

Keywords:

Chaman fault, LISA, DEM, Strike slip, Hypsometric integral, Neo tectonics , Pakistan

Abstract

Chaman fault is a seismically active fault running over 850km in western region of Pakistan and Afghanistan. It is a major geological structure between Indian and Eurasian plates. Chaman fault is a strike slip fault which is slipping nearly at the rate of 10mm per year. This research includes the evaluation of lithological processes and neotectonics activity using Hypsometric Integral (HI). We calculated values of hypsometric integral using SRTM DEM with 90m spatial resolution in active region of Chaman Fault (CF) and in its locality. We analyzed different mean, minimum and maximum elevations using regular square grids and measured the degree of spatial distribution of HI using Local Indices (LI) of Spatial Autocorrelation (LISA). LISA provides auto correlation for the cluster analysis of hotspots and cold spots of HI values to discriminate uplifted and eroded regions.

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