Browsing by Author "Murty, G.P.S."
Now showing items 1-20 of 29
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Tectonic and volcanic implications of a cratered seamount off Nicobar Island, Andaman Sea
KameshRaju, K.A.; Ray, D.; Mudholkar, A.V.; Murty, G.P.S.; Gahalaut, V.K.; Samudrala, K.; Paropkari, A.L.; Ramachandran, R.; SuryaPrakash, L. (Elsevier, 2012)The region of the Nicobar earthquake swarm of January 2005 has been explored during a recent cruise using multibeam swath bathymetry, seafloor imaging and TV-guided sampling to decipher the seafloor morphology, nature and ... -
Land-ocean tectonics (LOTs) and the associated seismic hazard over the Eastern Continental Margin of India (ECMI)
Murthy, K.S.R.; Subrahmanyam, V.; Subrahmanyam, A.S.; Murty, G.P.S.; Sarma, K.V.L.N.S. (Springer, 2010)The South Indian (Peninsular) Shield which includes both the Eastern and Western Continental Margins of India is not as stable as it was originally thought of. The importance of intraplate seismicity within this Shield has ... -
Extension of Gundlakamma River Fault over eastern continental margin of India
Sarma, K.V.L.N.S.; Subrahmanyam, V.; Subrahmanyam, A.S.; Murty, G.P.S.; Murthy, K.S.R. (Current Science Association, 2010)The bathymetry, magnetic and shallow seismic data were collected between the water depths of 13 to 26 meters north of Ongole to study the tectonic significance of Gundlakamma river towards offshore. The bathymetry in the ... -
Land-ocean tectonic signatures of the Krishna-Godavari Basin, a qualitative evaluation
Subrahmanyam, A.S.; Subrahmanyam, V.; Sarma, K.V.L.N.S.; Murty, G.P.S.; Murthy, K.S.R. (Current Science Association, 2010)The bathymetry data of Krishna-Godavari Offshore Basin reveal that the water depths in the area vary from 40 m (near shore) to 3000 m (offshore). The data indicate high gradient tightly packed contours over offshore Krishna ... -
Morphology and tectonics of Mahanadi Basin, northeastern continental margin of India from geophysical studies
Subrahmanyam, V.; Subrahmanyam, A.S.; Murty, G.P.S.; Murthy, K.S.R. (Elsevier, 2008)The bathymetry, total intensity magnetic and satellite free-air gravity data over the eastern continental margin of India between the latitudes 18 degrees 30 minutes N and 20 degrees N within the water depths of 25-2300 m ... -
The west Andaman fault and its influence on the aftershock pattern of the recent megathrust earthquakes in the Andaman-Sumatra region
KameshRaju, K.A.; Murty, G.P.S.; Amarnath, D.; MohanKumar, M.L. (American Geophysical Union, 2007)Distinctly different rupture patterns of December 2004 and March 2005 megathrust earthquakes occurred in the Andaman-Sumatra region suggest strong influence of tectonic and structural elements. We have analysed the shipboard ... -
A brief study on the imprints of seismo tectonic activities in the crust of central and southern Bay of Bengal
Sarma, K.V.L.N.S.; Subrahmanyam, A.S.; Subrahmanyam, V.; Murty, G.P.S.; Rao, K.M. (Association of Exploration Geophysicists, 2007)Bathymetry, magnetic and shallow seismic data collected north and south off Visakhapatnam revealed the extension of onshore lineaments to offshore. Stability of the area has been studied from the physical properties of ... -
Qualitative assessment of tectonic lineaments over the coastal and innershelf of Kakinada and Kalingapatnam, central east coast of India
Subrahmanyam, A.S.; Murty, G.P.S.; Sarma, K.V.L.N.S.; Rao, K.M.; Reddy, N.P.C.; Rao, M.M.M.; Subrahmanyam, V.; Rani, P.S.; Anuradha, A.; Murthy, K.S.R. (Geological Society of India, 2007)Earth tremors of low to moderate intensity (3.0 to 5.5) recurring over last century in and around coastal and shelf regions of Visakhapatnam has prompted us to acquire and study the geophysical data between coastal regions ... -
Impact of coastal morphology, structure and seismicity on the tsunami surge
Murthy, K.S.R.; Subrahmanyam, V.; Murty, G.P.S.; Rao, K.M. (Taylor and Francis, 2007)The twin events of the earthquake and tsunami not only stress the importance of an integrated warning system for the Indian Ocean rim countries but also the need for new disaster management plans to mitigate such hazards. ... -
Precambrian mega lineaments across the Indian sub-continent - Preliminary evidence from offshore magnetic data
Subrahmanyam, V.; Subrahmanyam, A.S.; Murthy, K.S.R.; Murty, G.P.S.; Sarma, K.V.L.N.S.; SuneetaRani, P.; Anuradha, A. (Indian Academy of Sciences, 2006)Marine and airborne magnetic data over south Indian continent including the western and eastern continental margins between latitudes 12°30`N and 10°N were studied and interpreted. The total intensity magnetic anomalies ... -
Imprints of Chilika Lake in the offshore region – A geomorphologic evidence
Subrahmanyam, V.; Murthy, K.S.R.; Subrahmanyam, A.S.; Rao, K.M.; Sarma, K.V.L.N.S.; Reddy, N.P.C.; Murty, G.P.S.; Devi, D.K. (Indian Academy of Sciences, 2006)Chilika Lake (Orissa, India) is the largest lagoon in the subcontinent along the east coast of India, situated between latitudes 19 degrees 28’ and 19 degrees 54’ N and longitudes 85 degrees 05’ and 85 degrees 38’ E. In ... -
Factors guiding tsunami surge at the Nagapattinam–Cuddalore shelf, Tamil Nadu, east coast of India
Murthy, K.S.R.; Subrahmanyam, A.S.; Murty, G.P.S.; Sarma, K.V.L.N.S.; Subrahmanyam, V.; Rao, K.M.; Rani, P.S.; Anuradha, A.; Adilakshmi, B.; Devi, T.S. (Indian Academy of Sciences, 2006)The Tamil Nadu margin, in particular the Nagapattinam–Cuddalore shelf was the worst affected by the tsunami surge and inundation caused by the great Sumatra earthquake of 26 December 2004 (Mw 9.3). Surge heights in this ... -
Evidence of fault reactivation off Pondicherry coast from marine geophysical data
Murty, G.P.S.; Subrahmanyam, A.S.; Murthy, K.S.R.; Sarma, K.V.L.N.S. (Indian Academy of Sciences, 2002)The present study mainly focuses on the northern part of the Cauvery offshore basin, between latitudes 10 degrees and 14 degrees N, and longitudes 80 degrees and 82 degrees E, over which the bathymetry, gravity and magnetic ... -
Gas hydrates stability zone thickness map of Indian deep offshore areas - A GIS based approach
Rastogi, A.; Deka, B.; Bhattacharya, G.C.; Ramprasad, T.; KameshRaju, K.A.; Srinivas, K.; Murty, G.P.S.; Chaubey, A.K.; Ramana, M.V.; Subrahmanyam, V.; Sarma, K.V.L.N.S.; Desa, M.; Paropkari, A.L.; Menezes, A.A.A.; Murty, V.S.N.; Antony, M.K.; SubbaRaju, L.V.; Desa, E.; Veerayya, M. (Indian Oil Corporation, New Delhi, India, 1999)Natural gas hydrates, which have the potential of being an alternate energy resource, are known to occur worldwide in the sediments of the outer continental margins and in the polar regions in association with permafrost. ... -
Early tertiary seafloor spreading magnetic anomalies and paleo-propagators in the northern Arabian Sea
Chaubey, A.K.; Bhattacharya, G.C.; Murty, G.P.S.; Srinivas, K.; Ramprasad, T.; Rao, D.G. (Elsevier, 1998)Study of closely spaced new marine magnetic profiles, in conjunction with published magnetic data, provide an updated identification of linear magnetic anomalies in the northern Arabian Sea from the Owen Fracture Zone in ... -
Structure and origin of the 85 degrees E ridge
Ramana, M.V.; Subrahmanyam, V.; Chaubey, A.K.; Ramprasad, T.; Sarma, K.V.L.N.S.; Krishna, K.S.; Desa, M.; Murty, G.P.S.; Subrahmanyam, C. (American Geophysical Union, 1997)The submerged 85 degrees E Ridge in the Bay of Bengal trends approximately N-S between 19 degrees N and 6 degrees N latitudes. Off the southeast coast of Sri Lanka it takes an arcuate shape and seems to terminate with the ... -
Structure and tectonics of the southwestern continental margin of India
Subrahmanyam, V.; Rao, D.G.; Ramana, M.V.; Krishna, K.S.; Murty, G.P.S.; Rao, M.G. (Elsevier, 1995)A NNW-SSE-trending graben in the inner shelf (40-60 m isobaths), a mid-shelf basement ridge (60-150 m isobaths), a shelf-margin basin (150-1000 m isobaths) and the Prathap Ridge Complex in the slope (1000-2000 m isobaths) ... -
Evidence for seafloor spreading in the Laxmi Basin, northeastern Arabian Sea
Bhattacharya, G.C.; Chaubey, A.K.; Murty, G.P.S.; Srinivas, K.; Sarma, K.V.L.N.S.; Subrahmanyam, V.; Krishna, K.S. (Elsevier, 1994)Marine magnetic anomaly data from the Laxmi Basin for the first time reveal the presence of fairly correlatable NNW-trending magnetic lineations. These magnetic lineations are symmetric about a central negative magnetic ... -
Application of inversion techniques on marine magnetic data: Andaman shelf
Sarma, K.V.L.N.S.; Ramana, M.V.; Murty, G.P.S.; Subrahmanyam, V.; Krishna, K.S.; Chaubey, A.K.; Rao, M.M.M.; Narayana, S.L. (Geological Society of India, 1994)Analysis of the total intensity magnetic data over the western Andaman shelf has been carried out for determination of depth to magnetic basement using the Analytical Signal and Wemer Deconvolution methods. The basement ... -
Analysis of multi-channel seismic reflection and magnetic data along 13 degrees N latitude across the Bay of Bengal
Rao, D.G.; Bhattacharya, G.C.; Ramana, M.V.; Subrahmanyam, V.; Ramprasad, T.; Krishna, K.S.; Chaubey, A.K.; Murty, G.P.S.; Srinivas, K.; Desa, M.; Reddy, S.I.; Ashalata, B.; Subrahmanyam, C.; Mital, G.S.; Drolia, R.K.; rai, S.N.; Ghosh, S.K.; Singh, R.N.; Majumdar, M. (American Geophysical Union, 1994)Analysis of the multi-channel seismic reflection, magnetic and bathymetric data collected along a transect, 1110 km long parallel to 13 degrees N lat. across the Bay of Bengal was made. The transect is from the continental ...