Seismically reactivated Hattian slide in Kashmir, Northern Pakistan |
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| Authors: | Jean F Schneider |
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| Institution: | (1) Institute of Applied Geology, IAG-BOKU, University of Natural Resources and Applied Life Sciences, Vienna, P. Jordan - Street 70, A 1190 Vienna, Austria |
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| Abstract: | The Pakistan 2005 earthquake, of magnitude 7.6, caused severe damage on landscape and infrastructure, in addition to numerous
casualties. The event reactivated Hattian Slide, creating a rock avalanche in a location where earlier mass movements had
happened already, as indicated by satellite imagery and ground investigation. The slide originated on Dana Hill, in the upper
catchment area of Hattian on Karli Stream, a tributary of Jhelum River, Pakistan, and buried the hamlet Dandbeh and several
farms nearby. A natural dam accumulated, impounding two lakes, the larger one threatening parts of downstream Hattian Village
with flooding. An access road and artificial spillways needed to be constructed in very short time to minimize the flooding
risk. As shown by this example, when pointing out the risk of large-scale damage to population and infrastructure by way of
hazard indication maps of seismically active regions, and preparing for alleviation of that risk, it is advisable to consider
the complete Holocene history of the slopes involved. |
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| Keywords: | Mass movements Landslides Seismic triggering Kashmir earthquake Landslide dam Reservoir impounding |
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