In situ stress orientation from 3 km borehole image logs in the Koyna Seismogenic zone, Western India: implications for transitional faulting environment

D Goswami, P Hazarika, S Roy - Tectonics, 2020 - Wiley Online Library
Abstract Knowledge of the in situ stress regime is critical to investigate the genesis of
recurrent triggered seismicity over the past five decades in the Koyna seismogenic zone …

Heat flow and thermal structure in the Koyna seismic zone, western India: Implications for recurrent reservoir triggered seismicity

D Goswami, VV Akkiraju, S Roy - Tectonophysics, 2024 - Elsevier
Scientific core drilling to a depth of 1522 m in the Koyna seismic zone, western India,
provides a rare opportunity to characterize the geothermal regime and study its implications …

Evidence of water percolation in granitoid basement in Koyna seismogenic zone: Implications for reservoir triggered seismicity

K Modak - Journal of Earth System Science, 2024 - Springer
The Koyna region, located in Western India, is a region of recurrent triggered seismicity that
started post-impoundment of the Koyna Dam in 1962. Though previous studies have …

[HTML][HTML] Fault associated with the 1967 M 6.3 Koyna earthquake, India: A review of recent studies and perspectives for further probing

K Modak, S Rohilla, N Podugu, D Goswami… - Journal of Asian Earth …, 2022 - Elsevier
The Koyna region in western India, characterized by recurrent seismic activity over more
than five decades and confined largely within a 20 km× 30 km area and∼ 10 km in depth, is …

Seasonal Variations in the b-Value of the Reservoir-Triggered Seismicity in the Koyna–Warna Region, Western India

VB Smirnov, MG Potanina, TI Kartseva… - Izvestiya, Physics of the …, 2022 - Springer
The analysis of the local earthquake catalog revealed fine features in the behavior of
seasonal components of induced seismicity in the Koyna–Warna region, western India. The …

The interrelationship between electrical resistivity and VP/VS ratio: A novel approach to constrain the subsurface resistivity structure in data gap areas in a …

UK Borah, PK Patro - Geophysics, 2022 - library.seg.org
Large man-made water reservoirs promote fluid diffusion and cause critically stressed fault
zones underneath to trigger earthquakes. Electrical resistivity is a crucial property to …

Spatial variation in the crustal deformation pattern in the Koyna-Warna region, western India using shear wave splitting

SK Roy, D Shashidhar - Geophysical Journal International, 2023 - academic.oup.com
This study investigates crustal anisotropy beneath the Koyna-Warna region (KWR) using
waveforms of local earthquakes of magnitude ML≥ 1.0, recorded at 24 surface and 6 …

Chemical and noble gas isotope compositions of formation gases from a 3 km deep scientific borehole in the Koyna Seismogenic zone, Western India

N Podugu, S Mishra, T Wiersberg, S Roy - Geofluids, 2019 - Wiley Online Library
A 3 km deep research borehole KFD1 was drilled in the Koyna reservoir‐triggered seismicity
region, Western India, between December 2016 and May 2017. The 1967 M 6.3 Koyna …

In-situ physical and elastic properties of Archaean basement granitoids in the Koyna seismogenic zone, western India from 3 km downhole geophysical well logs …

N Podugu, D Goswami, VV Akkiraju, S Roy - Tectonophysics, 2023 - Elsevier
The Koyna region in western India is characterized by recurrent artificial water reservoir
triggered seismicity since the impoundment of the Shivaji Sagar lake in 1962. Physical and …

Coda Q from educational seismograph network around Koyna–Warna, western India

M Shekar, N Subhadra, D Srinagesh - Journal of Earth System Science, 2023 - Springer
We computed the coda wave attenuation (QC) using reservoir-induced seismicity of the
Koyna–Warna region in the western part of the Indian shield. We analyzed 484 local …