Publication Date:
2013-08-01
Description:
We utilize receiver functions from ten broadband seismic stations deployed along a north–south profile traversing the Indo-Gangetic plains in northern India to investigate the sedimentary thickness variations in this hitherto less-studied foreland basin south of the Himalaya. Parameterization of the velocity structure adopting the neighborhood algorithm approach shows that the data can be satisfactorily modeled for low-velocity sediments having shear-wave velocities in the range of 0.72–2.5 km/s with thicknesses varying from 0.5 to 3.7 km beneath the individual stations. The velocity–depth functions obtained in this study are important for earthquake-hazard assessment of the densely populated urban centers spread over this region, in terms of predicting strong ground motions due to large earthquakes in the Himalaya.
Print ISSN:
0037-1106
Electronic ISSN:
1943-3573
Topics:
Geosciences
,
Physics