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Publications

Project Acronym: DEEPAK | State: Full Proposal Approved

2026
Sahu RP , Kazy SK , Mukherjee D , Roy S , Wiersberg T , Sar P .
Ecological Processes Underpinning Microbial Variability in Archean Granitoids Beneath the Deccan Traps: Evidence From Deep Drilling in Koyna, India.
Environmental Microbiology Reports. 2026 ; 18 (3): [doi][doi]
Mahato C , Chaube H .
Frequency-dependent attenuation of P- and S-waves in the RTS environment of the Koyna-Warna region, Western India.
Journal of Seismology. 2026 ; 30 (1): [doi][doi]
Chaube H , Sutar AK , Shankar U , Roy S .
Intraplate strain rate variations associated with reservoir-triggered seismicity: A case study from Koyna, Western India.
Geodesy and Geodynamics. 2026 ; [doi][doi]
Dutta A , Mukhopadhyay S , Mukherjee D , Sahu RP , Duttagupta S , Gupta A , Bose H , Mukherjee A , Sar P .
Microbial community composition and function in groundwater systems of the Deccan Traps.
Geo-Bio Interfaces. 2026 ; 3 e1. [doi][doi]
Goswami D , Roy S , Akkiraju VV .
Petrophysical and fluid transport properties of Deccan trap basalts from analysis of geophysical well logs in a 3 km scientific borehole at Koyna, India.
Near Surface Geophysics. 2026 ; 24 (1): 3 – 22. [doi][doi]
Tiwari V , Mishra S , Dubey C , Patro P , Roy S .
Post-rift uplift of the western Ghats, India: New evidence from geophysical observations and drilling.
Journal of Geodynamics. 2026 ; 168 [doi][doi]
2025
Akkiraju VV , Goswami D , Kueck J , Klee G , Bansal BK , Roy S .
Determination of in-situ stress regime in the Koyna seismic zone, India from hydrofrac tests in a 3 km deep scientific borehole: implications for reservoir triggered seismicity.
International Journal of Rock Mechanics and Mining Sciences. 2025 ; 195 [doi][doi]
Gomila R , Chiesurin A , Spagnuolo E , Masoch S , Preto N , Roy S , Di Toro G .
Fault Zone Rocks Associated With the Reservoir-Triggered Seismicity of the Koyna-Warna Region (India).
Geophysical Research Letters. 2025 ; 52 (14): [doi][doi]
Sahu RP , Sar P .
Metagenome-assembled genomes of acetogenic enrichment obtained from deep subsurface archean granitoids of Koyna Seismogenic Zone, Koyna, India.
Microbiology Resource Announcements. 2025 ; 14 (4): [doi][doi]
Roy S , Goswami D , Akkiraju VV , Sutar AK , Rohilla S , Vishnu C , Chaube H .
New Insights into Recurrent Reservoir Triggered Seismicity in Koyna Region, India from Scientific Deep Drilling Studies – A Review.
Journal of the Geological Society of India. 2025 ; 101 (6): 748 – 753. [doi][doi]
Sutar AK , Rohilla S , Chaube H , Chaudhari C .
Revisiting the reservoir-triggered seismicity of Koyna India using near-source seismological observations and relationship with reservoir water level changes.
Tectonophysics. 2025 ; 907 [doi][doi]
Halder P , Shukla MK , Kumar K , Sharma A .
Understanding the mechanism of shallow crustal fluid-rock interaction in the Deccan Trap basement rocks and its significance in the Koyna-Warna Seismogenic region, Western India.
Physics and Chemistry of the Earth. 2025 ; 138 [doi][doi]
2024
Goswami D , Akkiraju VV , Roy S .
Heat flow and thermal structure in the Koyna seismic zone, western India: Implications for recurrent reservoir triggered seismicity.
Tectonophysics. 2024 ; 873 [doi][doi]
Modak K .
Evidence of water percolation in granitoid basement in Koyna seismogenic zone: Implications for reservoir triggered seismicity.
Journal of Earth System Science. 2024 ; 133 (3): [doi][doi]
Saha PK , Sahu RP , Sar P , Kazy SK .
Deep subsurface igneous rocks from the Deccan traps harbor H2 and CO2 utilizing chemolithoautotrophic bacteria.
Biologia. 2024 ; 79 (5): 1553 – 1569. [doi][doi]
PIYAL H , ANUPAM S , MATSYENDRA KS , KAMLESH K .
Decoding Subsurface Secondary Mineralisation and its Impact on Cohesive Strength: An Outcome of the Deep Scientific Drilling Program in the Koyna–Warna Seismogenic Region, Western India.
Acta Geologica Sinica - English Edition. 2024 ; 98 (S1): 44-50. [doi][doi]
2023
Podugu N , Goswami D , Akkiraju VV , Roy S .
In-situ physical and elastic properties of Archaean basement granitoids in the Koyna seismogenic zone, western India from 3 km downhole geophysical well logs: Implications for water percolation at depth.
TECTONOPHYSICS. 2023 ; 848 [doi][doi]
2022
Gupta H .
Artificial Water Reservoir-Triggered Seismicity (RTS): Most Prominent Anthropogenic Seismicity.
Surveys in Geophysics. 2022 ; 43 (2): 619-659. [doi][doi]
Kieft TL .
Beneath shaky ground: deep life at Koyna, India.
Environmental Microbiology. 2022 ; 24 (6): 2612 – 2614. [doi][doi]
Mandal S , Bose H , Ramesh K , Sahu RP , Saha A , Sar P , Kazy SK .
Depth wide distribution and metabolic potential of chemolithoautotrophic microorganisms reactivated from deep continental granitic crust underneath the Deccan Traps at Koyna, India.
Frontiers in Microbiology. 2022 ; 13 [doi][doi]
Modak K , Rohilla S , Podugu N , Goswami D , Roy S .
Fault associated with the 1967 M 6.3 Koyna earthquake, India: A review of recent studies and perspectives for further probing.
Journal of Asian Earth Sciences: X. 2022 ; 8 [doi][doi]
Gupta H .
Koyna, India: A very prominent site of artificial water reservoir-triggered seismicity.
Journal of Earth System Science. 2022 ; 131 (1): [doi][doi]
Sahu RP , Kazy SK , Bose H , Mandal S , Dutta A , Saha A , Roy S , Dutta Gupta S , Mukherjee A , Sar P .
Microbial diversity and function in crystalline basement beneath the Deccan Traps explored in a 3 km borehole at Koyna, western India.
Environmental Microbiology. 2022 ; 24 (6): 2837 – 2853. [doi][doi]
Misra S , Goswami D , Roy S .
Mineralogy and structures below Deccan Traps: Evidences from scientific drilling in the Koyna seismogenic zone, India.
Journal of Earth System Science. 2022 ; 131 (3): [doi][doi]
Shukla MK , Vishnu C , Roy S .
Petrographic and geochemical characteristics of the granitic basement rocks below Deccan Traps obtained from scientific drilling to 3014 m depth in the Koyna region, western India.
Journal of Earth System Science. 2022 ; 131 (2): [doi][doi]
Podugu N , Roy S .
Thermal conductivity of Deccan flood basalts.
Journal of Earth System Science. 2022 ; 131 (2): [doi][doi]
2021
Sutar AK , Roy S , Tiwari V .
Revisiting the Koyna-Warna seismic zone: strain budget, present-day potential and associated hazard.
Journal of Seismology. 2021 ; 25 (5): 1265 – 1279. [doi][doi]
Gupta H .
Studies of Artificial Water Reservoir Triggered Earthquakes at Koyna, India: A Summary.
Journal of the Geological Society of India. 2021 ; 97 (12): 1556-1564. [doi][doi]
2020
Bose H , Dutta A , Roy A , Gupta A , Mukhopadhyay S , Mohapatra B , Sarkar J , Roy S , K. Kazy S , Sar P .
Microbial diversity of drilling fluids from 3000m deep Koyna pilot borehole provides insights into the deep biosphere of continental earth crust.
Scientific Drilling. 2020 ; 27 1 – 23. [doi][doi]
Goswami D , Hazarika P , Roy S .
In Situ Stress Orientation From 3 km Borehole Image Logs in the Koyna Seismogenic Zone, Western India: Implications for Transitional Faulting Environment.
Tectonics. 2020 ; 39 (1): [doi][doi]
Das D , Mallik J .
Koyna earthquakes: a review of the mechanisms of reservoir-triggered seismicity and slip tendency analysis of subsurface faults.
Acta Geophysica. 2020 ; 68 (4): 1097-1112. [doi][doi]
Gupta H .
Artificial Water Reservoir-Triggered Earthquakes, with Special Emphasis on Koyna, India.
Encyclopedia of Earth Sciences Series. 2020 ; PartF4 [doi][doi]
2019
Dutta A , Sar P , Sarkar J , Gupta SD , Gupta A , Bose H , Mukherjee A , Roy S .
Archaeal communities in deep terrestrial subsurface underneath the deccan traps, india.
Frontiers in Microbiology. 2019 ; 10 [doi][doi]
Dhulipudi G , Nittala S , Arora K , Mannepalli S , K.N.S.S.S S , Yadavally S , Potharaju S , H.V.S. S .
Assessment of heterogeneities of the shallow crust from geophysical logging in the Koyna-Warna region, Deccan Volcanic Province, India.
Physics of the Earth and Planetary Interiors. 2019 ; 296 [doi][doi]
Podugu N , Mishra S , Wiersberg T , Roy S .
Chemical and noble gas isotope compositions of formation gases from a 3 km deep scientific borehole in the Koyna Seismogenic Zone, Western India.
Geofluids. 2019 ; 2019 [doi][doi]
Goswami D , Roy S , Akkiraju V .
Delineation of Damage Zones From 3 km Downhole Geophysical Logs in the Koyna Seismogenic Zone, Western India.
Journal of Geophysical Research: Solid Earth. 2019 ; 124 (6): 6101-6120. [doi][doi]
Dutta A , Peoples LM , Gupta A , Bartlett DH , Sar P .
Exploring the piezotolerant/piezophilic microbial community and genomic basis of piezotolerance within the deep subsurface Deccan traps.
Extremophiles. 2019 ; 23 (4): 421 – 433. [doi][doi]
Gupta HK .
Koyna, India, an ideal site for near field earthquake observations.
Proceedings of the Indian National Science Academy. 2019 ; 85 (2): 469 – 480. [doi][doi]
2018
Dutta A , Dutta Gupta S , Gupta A , Sarkar J , Roy S , Mukherjee A , Sar P .
Exploration of deep terrestrial subsurface microbiome in Late Cretaceous Deccan traps and underlying Archean basement, India.
Scientific Reports. 2018 ; 8 (1): [doi][doi]
Podugu N , Yadav A , Mallika K , Goswami D , Anuradha M .
Report on ICDP Post–Operations International Workshop on “Scientific Deep Drilling in Koyna, India”.
Journal of the Geological Society of India. 2018 ; 91 (1): 120-124. [doi][doi]
Gupta H .
Review: Reservoir triggered seismicity (RTS) at Koyna, India, over the past 50 yrs.
Bulletin of the Seismological Society of America. 2018 ; 108 (5): 2907-2918. [doi][doi]
2017
Goswami D , Akkiraju V , Misra S , Roy S , Singh S , Sinha A , Gupta H , Bansal B , Nayak S .
Rock strength measurements on Archaean basement granitoids recovered from scientific drilling in the active Koyna seismogenic zone, western India.
Tectonophysics. 2017 ; 712-713 182-192. [doi][doi]
Sangode S , Venkateshwarulu M , Mahajan R , Randive V .
Magnetic mineralogical variability along Deccan trap basalt borehole (KBH07), Koyna deep continental drilling program, western Maharashtra, India.
Journal of the Geological Society of India. 2017 ; 90 (6): 769-775. [doi][doi]
Gupta H , Shashidhar D , Mahato C , Satyanarayana H , Mallika K , Rao N , Maity B , Navitha K .
Location of the pilot borehole for investigations of reservoir triggered seismicity at Koyna, India.
Gondwana Research. 2017 ; 42 133-139. [doi][doi]
Tiwari S , Mishra S , Srihariprasad G , Vyas D , Warhade A , Nikalje D , Bartakke V , Mahesh B , Tembhurnikar P , Roy S .
High resolution core scan facility at BGRL-MoES, Karad, India.
Journal of the Geological Society of India. 2017 ; 90 (6): 795-797. [doi][doi]
Gupta H , Arora K , Rao N , Roy S , Tiwari V , Patro P , Satyanarayana H , Shashidhar D , Mahato C , Srinivas K , Srihari M , Satyavani N , Srinu Y , Gopinadh D , Raza H , Jana M , Akkiraju V , Goswami D , Vyas D , Dubey C , Raju D , Borah U , Raju K , Reddy K , Babu N , Bansal B , Nayak S .
Investigations of continued reservoir triggered seismicity at Koyna, India.
Geological Society Special Publication. 2017 ; 445 (1): 151-188. [doi][doi]
Misra S , Bartakke V , Athavale G , Akkiraju V , Goswami D , Roy S .
Granite-gneiss basement below Deccan Traps in the Koyna region, western India: Outcome from scientific drilling.
Journal of the Geological Society of India. 2017 ; 90 (6): 776-782. [doi][doi]
Mishra S , Misra S , Vyas D , Nikalje D , Warhade A , Roy S .
A 1251m-thick Deccan flood basalt pile recovered by scientific drilling in the Koyna region, western India.
Journal of the Geological Society of India. 2017 ; 90 (6): 788-794. [doi][doi]
Gupta H .
50 Years of 10 December 1967 M 6.3 Koyna earthquake: Preface.
Journal of the Geological Society of India. 2017 ; 90 (6): 641-644. [doi][doi]
2016
Shashidhar D , Satyanarayana H , Mahato C , Mallika K , Rao N , Gupta H .
Borehole seismic network at Koyna, India.
Seismological Research Letters. 2016 ; 87 (3): 661-667. [doi][doi]
2015
Gupta H , Purnachandra Rao N , Roy S , Arora K , Tiwari V , Patro P , Satyanarayana H , Shashidhar D , Mallika K , Akkiraju V , Goswami D , Vyas D , Ravi G , Srinivas K , Srihari M , Mishra S , Dubey C , Raju D , Borah U , Chinna Reddy K , Babu N , Rohilla S , Dhar U , Sen M , Bhaskar Rao Y , Bansal B , Nayak S .
Investigations related to scientific deep drilling to study reservoir-triggered earthquakes at Koyna, India.
International Journal of Earth Sciences. 2015 ; 104 (6): 1511-1522. [doi][doi]
2014
Gupta H , Nayak S , Rao Y , Rajan S , Bansal B , Purnachandra Rao N , Roy S , Arora K , Mohan R , Tiwari V , Satyanarayana H , Patro P , Shashidhar D , Mallika K .
Probing reservoir-triggered earthquakes in Koyna, India, through scientific deep drilling.
Scientific Drilling. 2014 ; 18 5-9. [doi][doi]
2013
Roy S , Rao NP , Akkiraju VV , Goswami D , Sen M , Bansal BK , Nayak S .
Granitic basement below Deccan Traps Unearthed by drilling in the Koyna seismic zone, Western India.
Journal of the Geological Society of India. 2013 01 ; 81 (2): 289-290. [doi][doi]
Yadav A , Shashidhar D , Mallika K , Rao N , Rohilla S , Satyanarayana H , Srinagesh D , Gupta H .
Source parameters of earthquakes in the reservoir-triggered seismic (RTS) zone of Koyna-Warna, Western India.
Natural Hazards. 2013 ; 69 (1): 965-979. [doi][doi]
Mallika K , Gupta H , Shashidhar D , Rao N , Yadav A , Rohilla S , Satyanarayana H , Srinagesh D .
Temporal variation of b value associated with M ~4 earthquakes in the reservoir-triggered seismic environment of the Koyna-Warna region, Western India.
Journal of Seismology. 2013 ; 17 (1): 189-195. [doi][doi]
Shashidhar D , Rao N , Srinagesh D , Gupta H , Satyanarayana H , Suresh G , Satish A .
The 14 April 2012 Koyna Earthquake of Mw 4.8: Insights into active tectonics of the Koyna region.
Journal of Seismology. 2013 ; 17 (4): 1345-1353. [doi][doi]
2011
Gupta H , Nayak S .
Deep scientific drilling to study reservoir-triggered earthquakes in Koyna, Western India.
Scientific Drilling. 2011 ; (12): 53-54. [doi][doi]
Gupta H , Nayak S , Bhaskar Rao YJ , Chadha RK , Bansal BK , Srinagesh D , Purnachandra Rao N , Roy S .
International Workshop on Deep Scientific Drilling to Study Reservoir Triggered Earthquakes in Koyna, India.
Journal of Geological Society of India. 2011 ; 77 (5): 488–490.
Gupta H , Shashidhar D , Mallika K , Rao N , Srinagesh D , Satyanarayana H , Saha S , Naik R .
Short term earthquake forecasts at Koyna, India.
Journal of the Geological Society of India. 2011 ; 77 (1): 5-11. [doi][doi]

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