Slip on an active wedge thrust from geodetic observations of the 8 October 2005 Kashmir earthquake

Rebecca Bendick, Roger Bilham, M. Asif Khan, S. Faisal Khan

    Research output: Contribution to journalArticlepeer-review

    Abstract

    By combining global positioning system observations of surface displacements and the locations of aftershocks, we infer that the 8 October 2005 Kashmir earthquake occurred on multiple fault planes. Mean slip of ∼5.1 m occurred on a rupture between Bagh and Balakot with strike 331° and dip 29°. Additional slip occurred at depth on a NNE-dipping fault plane extending WNW from Balakot, and on an intersecting nearly flat dislocation at ∼5 km depth, forming an active wedge thrust. Both the simple fault plane and the blind wedge accommodate convergence between Peshawar and Leh, Ladakh, accumulating at 7 ± 2 mm/yr, suggesting a 680 ± 150 yr recurrence interval for Kashmir 2005-like events.

    Original languageEnglish
    Pages (from-to)267-270
    Number of pages4
    JournalGeology
    Volume35
    Issue number3
    DOIs
    StatePublished - Mar 2007

    Keywords

    • Himalayan tectonics
    • Kashmir earthquake
    • Wedge thrust

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