Supriyo Mitra
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View article: Molecular pathways and biomarkers associated with age-related cognitive decline
Molecular pathways and biomarkers associated with age-related cognitive decline Open
Age-related cognitive decline is the gradual decrease in memory, reduced attention, difficulty with multitasking, reduced ability to recall information, and decreased processing speed with age. These changes are considered normal, and the …
View article: Convolvulus pluricaulis mediates its pharmacological effects via sod1, rdl, glut1, GABA-B-R1 and CG6293 orthologs in Drosophila melanogaster
Convolvulus pluricaulis mediates its pharmacological effects via sod1, rdl, glut1, GABA-B-R1 and CG6293 orthologs in Drosophila melanogaster Open
Convolvulus pluricaulis, commonly known as Shankhpushpi, has been extensively used in the management of disorders of the nervous system, including depression and anxiety. The plant extract has also been demonstrated to function as an antio…
View article: Himachal Pradesh Seismological NETwork (HiPSNET): Structure of the Crust and the geometry of the Main Himalayan Thrust
Himachal Pradesh Seismological NETwork (HiPSNET): Structure of the Crust and the geometry of the Main Himalayan Thrust Open
The Himachal Pradesh Seismological NETwork (HiPSNET) was installed in 2019 across the northwestern Himachal Himalaya, comprising seven broadband seismograph systems. Teleseismic data with magnitude greater than 5.5 and in the distance rang…
View article: 3D Scattering and Absorption Imaging of the Jammu and Kashmir Himalaya
3D Scattering and Absorption Imaging of the Jammu and Kashmir Himalaya Open
The NW Himalayan "seismic gap" spanning the meisoseismal zone of the 1555-Kashmir earthquake, is located between the rupture zones of the 1905 and 2005 earthquakes. Knowledge of the lateral variation in seismic attenuation across this orog…
View article: Super-adiabatic asthenosphere in southeast Asia - its tectonic and magmatic implications
Super-adiabatic asthenosphere in southeast Asia - its tectonic and magmatic implications Open
Southeast Asia is surrounded by active subduction zones and has a complex tectonic history. It hosts the Indo China block in the west and the South China Sea in the east. Cenozoic intraplate volcanic activity widely spans the Indo China bl…
View article: Love-wave group-velocity tomography of India–Tibet: insights into radially anisotropic <i>S</i>-wave velocity structure
Love-wave group-velocity tomography of India–Tibet: insights into radially anisotropic <i>S</i>-wave velocity structure Open
SUMMARY Love (LQ) and Rayleigh-wave (LR) dispersion data provide essential constraints on radially anisotropic shear-wave velocity structure. Vertically polarized S-wave velocity ($\rm \mathit{ S}_V$) structure of India–Tibet are available…
View article: Role of Intraplate Strike-Slip Earthquakes in Accommodating Convergence Across the Eastern Himalayan Plate Boundary System
Role of Intraplate Strike-Slip Earthquakes in Accommodating Convergence Across the Eastern Himalayan Plate Boundary System Open
North-East India, at the eastern extremity of the Himalaya, is one of the most rapidly deforming intraplate regions. The tectonics of this region is shaped by oblique convergence between two nearly perpendicular plate boundaries of the Eas…
View article: Locked Frontal and Lateral Ramps on the Main Himalayan Thrust Beneath NW Himalaya Illuminated by Precisely Located Seismicity
Locked Frontal and Lateral Ramps on the Main Himalayan Thrust Beneath NW Himalaya Illuminated by Precisely Located Seismicity Open
The Kashmir “seismic gap” in NW Himalaya is marked by hinterland‐to‐foreland reduction in GPS‐geodetic arc‐normal convergence‐velocity and increase in horizontal strain‐rate, associated with occurrence of moderate‐to‐small earthquakes. We …
View article: Deformation of the Indian Lithosphere from radial anisotropy: Signatures of laterally varying plate geometry beneath Tibet and hotspot volcanism beneath the Deccan Plateau.&#160;
Deformation of the Indian Lithosphere from radial anisotropy: Signatures of laterally varying plate geometry beneath Tibet and hotspot volcanism beneath the Deccan Plateau.  Open
The Indian Lithosphere has been shaped by multiple tectonic processes, which include break-up from the Gondwana Supercontinent, traversing over the Reunion and Kerguelen hotspots, collision with Eurasia, and underthrusting beneath the Hima…
View article: Locked Frontal and Lateral Ramps on the Main Himalayan Thrust beneath NW Himalaya illuminated by precisely located seismicity
Locked Frontal and Lateral Ramps on the Main Himalayan Thrust beneath NW Himalaya illuminated by precisely located seismicity Open
The Kashmir ‘seismic gap’ in NW Himalaya, between the 1905 Kangra and 2005 Muzaffarabad earthquake rupture zones, has been replete with moderate-to-small earthquakes. GPS geodetic measurements across the Himalayan-arc reveal ar…
View article: 3D Attenuation Tomography of the Kashmir &#8216;Seismic Gap&#8217; in NW Himalaya
3D Attenuation Tomography of the Kashmir ‘Seismic Gap’ in NW Himalaya Open
Lateral variation in seismic-energy attenuation is necessary to unravel the tectonic and thermal structure of the lithosphere, and to quantify ground-motion from future earthquakes. We study the 3D variations in intrinsic, scattering and b…
View article: Kinematics of Intra-Plate Strike-Slip Earthquakes in an Oblique Convergent Setting&#160; : Insights from the Eastern Himalayan and Indo-Burman Plate Boundary Systems
Kinematics of Intra-Plate Strike-Slip Earthquakes in an Oblique Convergent Setting  : Insights from the Eastern Himalayan and Indo-Burman Plate Boundary Systems Open
North-East India comprises a part of the eastern extremity of the Alpine-Himalayan Belt and is one of the most rapidly deforming regions owing to its unique geological setup. The tectonics of this region is dominated by oblique convergence…
View article: Seismic Anisotropy in Northwest Himalaya from core refracted shear (SKS) and direct S waves&#160;
Seismic Anisotropy in Northwest Himalaya from core refracted shear (SKS) and direct S waves  Open
Recent enhancement in instrumentation in the northwest (NW) Himalaya provides an unprecedented dataset to study the deformation due to the Indo-Eurasia convergence. The NW Himalaya is unique in terms of hosting a seismic gap and a flat-ram…
View article: 3D crustal structure of the Jammu and Kashmir Himalaya: signatures of mid-crustal ramp and Lesser Himalayan duplex
3D crustal structure of the Jammu and Kashmir Himalaya: signatures of mid-crustal ramp and Lesser Himalayan duplex Open
We use teleseismic data from the Jammu and Kashmir Seismological NETwork, to perform P-wave receiver function spatial and common-conversion-point (CCP) stacks, and joint inversion with Rayleigh-wave group-velocity dispersion, to construct …
View article: The Main Himalayan Thrust Beneath Nepal and Southern Tibet Illuminated by Seismic Ambient Noise and Teleseismic P Wave Coda Autocorrelation
The Main Himalayan Thrust Beneath Nepal and Southern Tibet Illuminated by Seismic Ambient Noise and Teleseismic P Wave Coda Autocorrelation Open
Nepal is an actively deforming region due to its tectonic setting that hosts destructive earthquakes including the recent 2015 Mw 7.8 Gorkha earthquake. To better understand the physics of earthquakes and better assess the seismic hazard i…
View article: Detection and (re)location of earthquakes using Jammu And Kashmir Seismological NETwork
Detection and (re)location of earthquakes using Jammu And Kashmir Seismological NETwork Open
Broadband waveform data from the recently established Jammu And Kashmir Seismological NETwork (JAKSNET) has been used to detect and locate earthquakes in the Jammu and Kashmir (J&K) Himalaya. Continuous data recorded by the network between…
View article: Crustal Structure of the Jammu and Kashmir Himalaya
Crustal Structure of the Jammu and Kashmir Himalaya Open
We use P-wave receiver function (P-RF) analysis of broadband teleseismic data recorded at twenty stations spanning the Jammu-Kishtwar Himalaya, Pir Panjal Ranges, Kashmir Valley, and Zanskar Ranges in Northwest Himalaya, to model the seism…
View article: Radially anisotropic shear-wave velocity structure of northern India, Himalaya and Tibet
Radially anisotropic shear-wave velocity structure of northern India, Himalaya and Tibet Open
3-component regional waveforms for ~14700 raypaths sampling India, Himalaya and Tibet, have been used for multi-taper polarization analysis of surface waves between periods of 10 and 120 s. Rayleigh (LR) and Love (LQ) wave energy arriving …
View article: The Main Himalayan Thrust beneath Nepal and Southern Tibet illuminated by seismic ambient noise and teleseismic P wave coda autocorrelation
The Main Himalayan Thrust beneath Nepal and Southern Tibet illuminated by seismic ambient noise and teleseismic P wave coda autocorrelation Open
Nepal is an actively deforming region due to its tectonic setting that hosts many destructive earthquakes including the most recent 2015 Gorkha earthquake of magnitude 7.8. To better understand the physics of earthquakes and their precise …
View article: Sub-Continental Lithospheric Mantle Discontinuities beneath the Eastern Himalayan Plate Boundary System, NE India
Sub-Continental Lithospheric Mantle Discontinuities beneath the Eastern Himalayan Plate Boundary System, NE India Open
We use P-wave receiver function (P-RF) analysis and joint inversion with Rayleigh wave group velocity dispersion data to model the shear-wave velocity (Vs) structure of sub-continental lithospheric mantle (SCLM) discontinuities beneath nor…
View article: The Main Himalayan Thrust beneath Nepal and Southern Tibet illuminated by seismic ambient noise and teleseismic P wave coda autocorrelation
The Main Himalayan Thrust beneath Nepal and Southern Tibet illuminated by seismic ambient noise and teleseismic P wave coda autocorrelation Open
Nepal is an actively deforming region due to its tectonic setting that hosts many destructive earthquakes including the recent 2015 Mw 7.8 Gorkha earthquake. To better understand the physics of earthquakes and their precise location as wel…
View article: The geometry of active shortening in the northwest Himalayas and the implications for seismic hazard
The geometry of active shortening in the northwest Himalayas and the implications for seismic hazard Open
SUMMARY Large thrust faults accommodate the convergence between India and Tibet along the southern margin of the Himalaya and have a history of producing great earthquakes that cause widespread damage. Along most parts of the Himalaya, the…
View article: Seismic Attenuation of India, Himalaya and Tibet using Lg-coda waves
Seismic Attenuation of India, Himalaya and Tibet using Lg-coda waves Open
<p>We present maps to show the lateral variation of Lg coda attenuation at 1-Hz across India, Himalaya and Tibet. We use vertical component waveforms from regional earthquakes (epicentral distance<3500 km and Mw>5) recorded by …
View article: Detecting Microseismicity in Jammu and Kashmir Himalaya Using Template Matching Technique
Detecting Microseismicity in Jammu and Kashmir Himalaya Using Template Matching Technique Open
<p>We study microseismicity in the Kashmir seismic gap from broadband data of the Jammu and Kashmir Seismological NETwork (JAKSNET) using the template-matching technique. Template-matching is done by the Python routine &#8216;PyM…
View article: 3D transversely isotropic shear-wave velocity structure of India and Tibet from joint modeling of Rayleigh and Love waves group velocity dispersion.
3D transversely isotropic shear-wave velocity structure of India and Tibet from joint modeling of Rayleigh and Love waves group velocity dispersion. Open
<p>We use regional Rayleigh and Love wave data, from 4750 earthquakes (M >= 4.0) recorded at 726 stations across India and Tibet, to compute fundamental mode group velocity dispersion between 10 s and 120 s, using the Multiple Fil…
View article: Lg wave propagation and attenuation characteristics of the NW Himalaya
Lg wave propagation and attenuation characteristics of the NW Himalaya Open
<p>Lg waves are formed by the superposition of shear waves trapped within the crustal waveguide and are the most destructive at regional distances. Excitation of Lg waves, its propagation and lateral variability determine the intensi…
View article: Love Wave Group Velocity Tomography of India, Himalaya and Tibet
Love Wave Group Velocity Tomography of India, Himalaya and Tibet Open
<p>We present Love wave group velocity tomography calculated from broadband waveform data from Indian seismograph networks and global dataset downloaded from the IRIS-DMC. We first calculate path average 1-D fundamental mode Love wav…