Search Results - "PRAKASAM, K S"

The nature of the crust in southern India: Implications for Precambrian crustal evolution by Gupta, Sandeep, Rai, S. S., Prakasam, K. S., Srinagesh, D., Bansal, B. K., Chadha, R. K., Priestley, Keith, Gaur, V. K.

“…We present crustal thickness and Poisson's ratio determinations from receiver function analyzes at 32 sites on the Archaean and Proterozoic terrains of South…”
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Source parameters and scaling relations for small earthquakes in Kumaon Himalaya, India by Sivaram, K., Kumar, Dinesh, Teotia, S. S., Rai, S. S., Prakasam, K. S.

“…We investigate the scaling relationships among earthquake source parameters using more than 300 good quality broad band seismograms from 30 small earthquakes…”
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Micro-seismicity and seismotectonic study in Western Himalaya–Ladakh-Karakoram using local broadband seismic data by Kanna, Nagaraju, Gupta, Sandeep, Prakasam, K.S.

“…We document the seismic activity and fault plane solutions (FPSs) in the Western Himalaya, Ladakh and Karakoram using data from 16 broadband seismographs…”
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Seismic anisotropy beneath the Kumaun–Garhwal Himalaya using core-refracted shear wave phases by Kumar, V Pavan, Gupta, Sandeep, Borah, Kajaljyoti, Prakasam, K S, Rai, S S

“…SUMMARY We investigate the nature of seismic anisotropy in the Kumaun–Garhwal Himalaya by analysing the core-refracted shear wave splitting phases (SK(K)S,…”
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Seismic Character of Moho Beneath the NW Himalaya and Ladakh Inferred from Regional Earthquakes Travel Time Data by Kanna, Nagaraju, Prakasam, K. S., Gupta, Sandeep

“…We study the uppermost mantle velocities and dip of Indian Moho beneath the NW Himalaya and Ladakh using 42 regional waveform data recorded on 15 seismographs…”
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Distinct lithospheres in the Bay of Bengal inferred from ambient noise and earthquake tomography by Saha, Gokul Kumar, Rai, S.S., Prakasam, K.S., Gaur, V.K.

“…We present an improved 3-D shear wave velocity image of the uppermost mantle beneath the Bay of Bengal (BoB), the Bengal basin and the adjoining Indian shield…”
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Deep seismic structure of the Indian shield, western Himalaya, Ladakh and Tibet by Oreshin, S.I., Vinnik, L.P., Kiselev, S.G., Rai, S.S., Prakasam, K.S., Treussov, A.V.

“…P and S receiver functions from seismograph stations in the Indian shield, Western Himalaya, Ladakh and Tibet are processed with a method which provides…”
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Evidence for high velocity in Koyna seismic zone from P-wave teleseismic imaging by Srinagesh, D., Singh, Sunil, Reddy, K. Srinath, Prakasam, K. S., Rai, S. S.

“…Three‐dimensional P‐wave velocity structure of the crust and upper most mantle beneath the Koyna Seismic Zone (KSZ) was determined by inverting 780 P‐wave…”
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The South India Precambrian crust and shallow lithospheric mantle: Initial results from the India Deep Earth Imaging Experiment (INDEX) by RAI, S S, BORAH, KAJALJYOTI, DAS, RITIMA, GUPTA, SANDEEP, SRIVASTAVA, SHALIVAHAN, PRAKASAM, K S, SIVARAM, K, KUMAR, SUDESH, MEENA, RISHIKESH

“…We present here the most comprehensive study of the thickness and composition ( ratio) of the South India Precambrian crust and the nature of shallower mantle…”
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Seismic signatures of the sonic boom during the launch of Chandrayaan-1 by Prakasam, K. S., Raj, S. S., Meena, G. S.

“…We present the seismic signatures generated by the sonic boom during the launch of Chandrayaan-1 from the Satish Dhawan Space Centre, Sriharikota on 22 October…”
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Teleseismic delay-time tomography of the upper mantle beneath southeastern India: imprint of Indo—Antarctica rifting by Prakasam, K.S., Rai, S.S.

“…A 3-D P-velocity map of the crust and upper mantle beneath the southeastern part of India has been reconstructed through the inversion of teleseismic…”
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What triggers Koyna region earthquakes? Preliminary results from seismic tomography digital array by RAI, S. S, SINGH, S. K, RAJAGOPAL SARMA, P. V. S. S, SRINAGESH, D, REDDY, K. N. S, PRAKASAM, K. S, SATYANARAYANA, Y

“…The cause for prolific seismicity in the Koyna region is a geological enigma. Attempts have been made to link occurrence of these earthquakes with tectonic…”
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Pn wave velocity and Moho geometry in north eastern India by RAI, S. S, PRAKASAM, K. S, AGRAWAL, N

“…Pn velocity has been computed across the NE India and Moho geometry constrained, using regional earthquake travel times recorded by a network of 30…”
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First evidence for anomalous thick crust beneath mid-Archean western Dharwar craton by Gupta, Sandeep, Rai, S. S., Prakasam, K. S., Srinagesh, D., Chadha, R. K., Priestley, Keith, Gaur, V. K.

“…We report an anomalous present day crustal thickness of 43–52 km beneath the 3.4–3.0 Ga mid-Archean segment of the western Dharwar craton (WDC) undisturbed by…”
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Diversity in the peninsular Indian lithosphere revealed from ambient noise and earthquake tomography by Saha, Gokul Kumar, Prakasam, K.S., Rai, S.S.

“…Significant diversity in the Indian lithosphere is seen in 3-D shear wave velocity images inverted from the dispersion of group velocities measured from…”
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Shear wave splitting observations from the Indian shield by RAMESH, D. S, PRAKASAM, K. S

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Seismic imaging of crust beneath the Dharwar Craton, India, from ambient noise and teleseismic receiver function modelling by Borah, Kajaljyoti, Rai, S. S., Prakasam, K. S., Gupta, Sandeep, Priestley, Keith, Gaur, V. K.

“…We use cross-correlation of continuous 18 months (2009 February to 2010 August) ambient noise data recorded over 35 broad-band seismographs in the Archean…”
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Sediment thickness beneath the Indo-Gangetic Plain and Siwalik Himalaya inferred from receiver function modelling by Borah, Kajaljyoti, Kanna, Nagaraju, Rai, S.S., Prakasam, K.S.

“…•Sedimentary thickness beneath Siwalik Himalaya is 2.0–5.0km.•Sedimentary thickness increases beneath Delhi region to Indo-Gangetic Plain.•Avg. Vss is less…”
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Preserved and modified mid-Archean crustal blocks in Dharwar craton: Seismological evidence by Borah, Kajaljyoti, Rai, S.S., Gupta, Sandeep, Prakasam, K.S., Kumar, Sudesh, Sivaram, K.

“…•Seismological evidences of distinct Archean terrains in Dharwar craton.•Mafic character of middle Archean crust compared to felsic signature for late Archean…”
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Seismic evidence for thick and underplated late Archaean crust of eastern Dharwar craton by RAI, S. S, RAJAGOPALA SARMA, P. V. S. S, PRAKASAM, K. S, RAO, V. K

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