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August 23, 2025Open Access

Autocorrelation-Based Imaging of Crustal Discontinuities including the Main Himalayan Thrust and Vp/Vs ratio in the Jammu and Kashmir Himalaya

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Authors

HTHari Ram ThapaSMSupriyo MitraAAAbdelkrim AoudiaThe Abdus Salam International Centre for Theoretical Physics (ICTP)

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Implication

This research uncovers crustal structures and Vp/Vs ratios in the seismic gap of the Himalayas, indicating potential for future earthquakes.

Key Points

  • The study reveals a complex ramp-flat-ramp geometry of the Himalayan thrust, suggesting internal segmentation in the seismogenic zone.
  • Significant sediment thicknesses of approximately 7 km observed in the foreland basin, correlating with locations of Moho thinning and elevated Vp/Vs ratios.
  • Utilizing autocorrelation of teleseismic P-wave coda, new crustal structure insights improve earlier models of the Main Himalayan Thrust.
  • Implications of this study could impact regional seismic hazard assessments by indicating potential for large blind earthquakes.

Cite This Study

Thapa et al. (2025) studied this question.

synapsesocial.com/papers/68af78327567bf4f94ff0e4ahttps://doi.org/10.22541/essoar.175596919.92774285/v1
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Variation in the Main Himalayan Thrust (MHT) within the Central Himalayan Seismic Gap using teleseismic P -wave coda autocorrelation: implications for seismic hazard2025 · 6 citations
  2. 2Assessment of seismicity using local broadband seismic network: a case study from Kashmir valley, NW, Himalaya, India2025 · 5 citations
  3. 3Integrating geomorphic and tectonic signals: A multi‐parameter evaluation of active deformation in the Zanskar Shear Zone, Northwest Himalaya, India2025 · 10 citations
  4. 4Multi‐Stage Crustal Thickening, Surface Uplift, and Collision in the Western Himalaya‐Karakoram‐Tibet Orogen Revealed by Chemical Mohometry2025 · 4 citations
  5. 5Seismogenic Thickening in the Pamir Plateau From Craton Underthrusting Revealed by the 2023 Mw 6.9 Earthquake2025