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The Seismotectonic Setting of Indo-Gangetic Plain and Its Importance
This paper gives overview of seismotectonic setting of the Indo-Gangetic plain which is second most seismically active region in the India after Himalayan seismic region. This Indo-Gangetic plain has experienced several great earthquake events like 1934 Nepal Bihar, 2015 Nepal earthquake, where type of soil or medium plays an important role for the devastation of structures in this region. This study is helpful to know the geological feature and properties of the Indo-Gangetic plain, types of faults present in this region (Neotectonic faults, sub-surface structural faults) under the alluvial deposits and ridges (Monghyr-Saharsa and Faizabad Ridges). The thickness of the soil deposits above the crystal basement along the Indo-Gangetic plain which affects diminution of the seismic waves at important places and monumental structures. Many such structures are situated near the fault lines and different types of river basins such as Indus, Ganga River basin and Brahmaputra River system, etc. The seismically active zone of Assam valley along the Brahmaputra river basin and Delhi region in the Indo-Gangetic basin is categorized as seismic Zone-V and seismic Zone-IV (as per IS 1893-part-1). In this region, more than 400 million people are living and also contribute to major economy of India.
The Seismotectonic Setting of Indo-Gangetic Plain and Its Importance
This paper gives overview of seismotectonic setting of the Indo-Gangetic plain which is second most seismically active region in the India after Himalayan seismic region. This Indo-Gangetic plain has experienced several great earthquake events like 1934 Nepal Bihar, 2015 Nepal earthquake, where type of soil or medium plays an important role for the devastation of structures in this region. This study is helpful to know the geological feature and properties of the Indo-Gangetic plain, types of faults present in this region (Neotectonic faults, sub-surface structural faults) under the alluvial deposits and ridges (Monghyr-Saharsa and Faizabad Ridges). The thickness of the soil deposits above the crystal basement along the Indo-Gangetic plain which affects diminution of the seismic waves at important places and monumental structures. Many such structures are situated near the fault lines and different types of river basins such as Indus, Ganga River basin and Brahmaputra River system, etc. The seismically active zone of Assam valley along the Brahmaputra river basin and Delhi region in the Indo-Gangetic basin is categorized as seismic Zone-V and seismic Zone-IV (as per IS 1893-part-1). In this region, more than 400 million people are living and also contribute to major economy of India.
The Seismotectonic Setting of Indo-Gangetic Plain and Its Importance
Lecture Notes in Civil Engineering
Sitharam, T. G. (editor) / Kolathayar, Sreevalsa (editor) / Sharma, Mukat Lal (editor) / Naresh, Bhukya (author) / Venkatesh, Kumar (author) / Mishra, Laxmi Kant (author)
2021-03-23
9 pages
Article/Chapter (Book)
Electronic Resource
English
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