Estimation of crustal discontinuities from reflected seismic waves recorded at Shillong and Mikir Hills Plateau, Northeast India
IR@NEIST: CSIR-North East Institute of Science and Technology, Jorhat
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Title |
Estimation of crustal discontinuities from reflected seismic waves recorded at Shillong and Mikir Hills Plateau, Northeast India
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Creator |
BARUAH , S
BORA, D K BISWAS, R |
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Subject |
Seismology
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Description |
In this study, an attempt is made to determine
seismic velocity structure of the crust and upper mantle
beneath the Shillong-Mikir Hills Plateau in northeast India
region. The principle of the technique is to relate seismic
travel times with crustal thickness above the Conrad and
Moho discontinuities. Broadband digital waveforms of the
local earthquakes make a precise detection of the seismic
phases possible that are reflected at these discontinuities.
The results show that the Conrad discontinuity is at 18–20
(±0.5) km beneath the Shillong-Mikir Hills Plateau and
the Moho discontinuity is at 30 ± 1.0 km beneath the
Shillong Plateau and at 35 ± 1.0 km beneath the Mikir
Hills
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Publisher |
Springer
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Date |
2011
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Type |
Article
PeerReviewed |
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Format |
application/pdf
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Identifier |
http://neist.csircentral.net/9/1/2827%2D2011.pdf
BARUAH , S and BORA, D K and BISWAS, R (2011) Estimation of crustal discontinuities from reflected seismic waves recorded at Shillong and Mikir Hills Plateau, Northeast India. Int J Earth Sci (Geol Rundsch), 100 (6). pp. 1283-1293. |
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Relation |
http://neist.csircentral.net/9/
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