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Seismically reactivated Hattian slide in Kashmir, Northern Pakistan

机译:巴基斯坦北部克什米尔地震重新激活的哈蒂安滑梯

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摘要

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.
机译:2005年的巴基斯坦7.6级地震不仅造成大量人员伤亡,还对景观和基础设施造成了严重破坏。该事件重新激活了哈蒂安滑梯,在较早发生大规模运动的位置就制造了岩石雪崩,如卫星图像和地面调查所表明的那样。滑梯起源于巴基斯坦耶路姆河支流卡里河上哈蒂安河上游流域的达纳山,并掩埋了小村庄丹德贝和附近的一些农场。天然水坝蓄积了两个湖泊,其中较大的一个威胁洪水淹没了下游Hattian村。需要在很短的时间内建造出入口道路和人工溢洪道,以最大程度地降低洪水风险。如本例所示,在通过地震活跃地区的危险指示图指出大规模人口和基础设施遭受破坏的风险并为减轻这种风险做准备时,建议考虑该地区的全新世历史。涉及的斜坡。

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