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![The proposed model of deformation along the Kopili fault in conjunction with the active tectonics of the Indo‐Burmese arc.The color version of this figure is available only in the electronic edition.]()
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![Tectonic map of NE India (modified after Nandi, 2001, Kayal and De, 1991 and GSI). Map showing MBT, Main Boundary Thrust; MCT, Main Central Thrust; Mishmi Thrust; Naga Thrust; Lohit Thrust; DF, Dauki fault; IBFT, Indo-Burma Frontal Thrust; Kopili fault; CMF, Churachandpur-Mao fault; OF, Oldham Fault; DF, Dudhnoi Fault; Mat Fault; GM, Gomti Fault; BL, Bomdila Lineament; BSZ, Barapani Shear Zone; HZ, Eocene Hing Zone. Four distinct tectonic domain (i) Eastern Himalayan mobile belt; (ii) Mishmi Hill block; (iii) Meghalaya- Mikir Hill block and (iv) Patkai- Naga – Chin – Arakan –Yoma (Indo-Myanmar) mobile belt. Map is showing location of the epicentre of major seismic events from 1869 to 2016, (7.0 M-8.0 M), two great events (>8.0M) and red star, 6.7M, Manipur earthquake, recent. Two major linear features/hidden faults within the blue box, trending NW-SE (L1) extension of Kopili fault and ENE-WSW (L2) is the probable source of the present event.]()
![(a) Orthogonal sand dykes observed in the meandering scars in the Kopili Fault Zone. (b) Liquefied sand of different ages in the same sand dyke. (c) A similar feature in upper Assam was interpreted as two paleoseismic events (Reddy et al., 2009). (d) Schematic section showing the possibility of two different sources during the same event (after Kumar et al., 2016).]()
![Tectonic map of northeast India and its adjoining areas (after, GSI, 2000) showing main tectonic features of the region. The major tectonic features are MCT, Main Central Thrust; MBT, Main Boundary Thrust; DF, Dauki Fault; DT, Dapsi Thrust; Dhubri Fault; OF, Oldham Fault; BS, Barapani Shear Zone; KF, Kopili Fault; SF, Sylhet Fault; EBT, Eastern Boundary Thrust; Mishmi Thrust; GF, Gomoti Fault, Disang Thrust, Naga Thrust. Epicenters of the selected 516 earthquakes, open circles. Inset: Location map.]()
![Map showing the major tectonic features of the study region (modified from Kayal et al., 2006). The great earthquake of 12 June 1897, larger black star. Epicenters of the selected earthquakes, circles. To the right, different magnitude ranges of the epicenters are defined: average duration magnitude, MDA. Digital broadband seismic stations, triangles. The major tectonic features in the region are indicated: Main Central Thrust, Main Boundary Thrust, Kopili fault, Dauki fault, Dudhnoi fault (Dh F), Dapsi Thrust (DT), Oldham fault (OF), Chedrang fault (CF), Borapani Shear Zone (BS). Inset: Map of India indicating the study region, arrow.]()
![(a) Tectonic map of the Eastern Himalayan plate boundary system (boxed in the inset map) with plot of earthquakes above magnitude (Mw) 5 (see legend for color and size) and global centroid moment tensor (G-CMT) solution for the events modeled in this study. The Mw 6.9 2011 Sikkim earthquake has been shown in black (Paul et al. 2015). Depth of these events are written in the box beside the focal spheres. Major tectonic units in this region are labeled as: BV, Brahmaputra Valley; MH, Mikir Hills; SP, Shillong Plateau; NH, Naga Hills; IBR, Indo-Burman Ranges; TFTB, Tripura fold-thrust belt; MHT, Main Himalayan Thrust; KFZ, Kopili Fault Zone; OF, Oldham Fault; DCF, Dhubri-Chungthang Fault Zone; and DF, Dawki Fault. (b) GPS velocity field in the India-fixed reference frame [3].]()
![Geological map of the Assam-Meghalaya Gneissic Complex (modified after Sadiq et al. 2017). Inset shows the location of the gneissic complex within the Greater Indian Landmass (modified after Chatterjee & Ghosh 2011). Abbreviations: BF – Brahmaputra Fault, DF – Dauki Fault, JFS – Jamuna Fault System, KFZ – Kopili Fault Zone, AMGC – Assam Meghalaya Gneissic Complex, CITZ – Central Indian Tectonic Zone, CGGC – Chotanagpur Granite Gneiss Complex, EGB – Eastern Ghats Belt, ADMB – Aravalli Delhi Mobile Belt, NSMB – North Singhbhum Mobile Belt, SONA – Son Narmada lineament, MMB – Mahakoshal Mobile Belt, BVSs – Bathani volcano-sedimentary sequence, SB – Satpura Belt, BC – Bastar Craton, SC – Singhbhum Craton, BuC – Bundelkhand Craton, DC – Dharwar Craton.]()
![Tectonic set up of the Northeast (NE) India. MKF: Malda-Kishanganj Fault; DF: Dhubri Fault; JGF: Jangipur-Gaibandha Fault; RF: Rajmahal Fault; SBF: Sainthia Bahmani Fault; GKF: Garhmayna-Khandaghosh Fault; DBF: Debagram-Bogra Fault; PF: Pingla Fault; EHZ: Eocene Hinge Zone; MCT: Main Central Thrust; MBT: Main Boundary Thrust; MFT: Main Frontal Thrust; PCF: Po Chu Fault; NT: Naga Thrust; DT: Disang Thrust; DF: Dauki Fault; KF: Kulsi Fault; DhF: Dudhnoi Fault; SF: Sylhet Fault; LT: Lohit Thrust; DKF: Dhansiri Kopili Fault; MT: Mishmi Thrust; KNF: Katihar-Nailphamari Fault; TF: Tista Fault; MaT: Mat Fault; SSF: Shan-Shagaing Fault; EBTZ: Eastern Boundary Thrust Zone; MRMF: Munger-Saharsha Ridge Marginal Fault (modified after GSI 2000).]()
![The map showing the eastern Himalayan region with major tectonic features (after Hazarika and Kayal, 2022). The great earthquakes of 1897, 1934, and 1950 are shown by the bigger red stars with fault plane solutions. Smaller red stars indicate large earthquakes (7 < Mw <8). The four recent strong (6 < Mw < 7) earthquakes (1988, 2009, 2011, and 2021) and two large (Mw > 7.0) Nepal earthquakes of 2015 are shown by blue stars with CMT solutions. The tectonic features, ITS: Indus Tsangpo Suture Zone, NB: Namche Barwa, STD: South Tibetan Detachment, MBT: Main Boundary Thrust, MCT: Main Central Thrust, EPF: East Patna Fault, IGP: Indo Gangetic Plain, DhF: Dudhnoi Fault, TR: Teesta River Lineament, DT: Dapsi Thrust, DF: Dauki Fault, SP: Shillong Plateau, MH: Mikir Hills, KF: Kopili Fault, BF: Bomdila Fault, BR: Brahmaputra River, NT: Naga Thrust, DsT: Disang Thrust, MT: Mishmi Thrust, TT: Tidding Suture, LT: Lohit Thrust, WT: Walong Thrust, IBR: Indo Burma Ranges, EBT: Eastern Boundary Thrust, VL: Volcanic Line.]()
![Map showing epicentral location of the 28 April 2021 Mw 6.0 Sonitpur earthquake (and aftershocks [red circles]). Location and fault plane solutions of the 2021 Sonitpur earthquake from the National Earthquake Information Center (NEIC) and Global Centroid Moment Tensor (Global CMT) are shown as black focal mechanism plots. The green dot represents the epicenter location from National Center for Seismology (NCS). Locations of the Main Frontal thrust (MFT), Kopili fault zone (KF), Naga thrust, Atherkhat fault (AF), and Dauki thrust are also shown. The thin blue line represents the Brahmaputra River. Historical earthquakes for the past two centuries (Mw >7) along the Himalayan region and Assam seismic gap (ASG) are shown in the inset map. The present study area is shown in the black rectangle, and the red line represents the plate boundary. The color version of this figure is available only in the electronic edition.]()
![Summary of Paleo-earthquake catalogue along the Eastern Himalayan Frontal thrust based on primary Paleoseismology (Top) A simplified SRTM showing Himalayan foothill and trenches excavated so far (white boxes with alphabet), (a) Kamalang site (Singh e tal 2021), (b) Pasighat (Priyanka et al., 2017), (c) Marbong (Jayangondaperumal et al., 2011), (d) Hemi Basti (Pandey et al., 2021), (e-f) Harmuty, Nameri (Kumar et al., 2010), (g) Sarpang Chu (Roux-Mallouf et al., 2016). HFT Himalayan Frontal Trust, KF Kopili fault, MT Mishmi Thrust, NT Naga Thrust, MA Manabum anticline. (Bottom). A Space-time diagram is showing modeled constraints on the timing of occurrence of surface-rupturing earthquakes. The vertical axis is time in calendar years C.E., and the horizontal axis is the distance in kilometers (after Singh et al., 2021).]()
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Kopili Fault
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Journal Article
Role of the Kopili Fault in Deformation Tectonics of the Indo‐Burmese Arc Inferred from the Rupture Process of the 3 January 2016 M w 6.7 Imphal Earthquake Available to Purchase
Publisher: Seismological Society of America
Published: 31 January 2017
Bulletin of the Seismological Society of America (2017) 107 (2): 1041–1047.
... south of the Shillong plateau, and the Kopili fault separating the Shillong plateau from the Brahmaputra valley. This raises various possibilities for interpreting this event. However, based on the finite‐fault inversion, we infer that this earthquake occurred on the Kopili fault running northwest...
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The proposed model of deformation along the Kopili fault in conjunction wit... Available to Purchase
in Role of the Kopili Fault in Deformation Tectonics of the Indo‐Burmese Arc Inferred from the Rupture Process of the 3 January 2016 M w 6.7 Imphal Earthquake
> Bulletin of the Seismological Society of America
Published: 31 January 2017
Figure 7. The proposed model of deformation along the Kopili fault in conjunction with the active tectonics of the Indo‐Burmese arc.The color version of this figure is available only in the electronic edition.
Journal Article
Seismicity and Strain Rate Variation in Northeast India Available to Purchase
Publisher: Geological Society of India
Published: 01 June 2025
Jour. Geol. Soc. India (2025) 101 (6): 838–843.
... are observed along major fault zones, such as the Kopili, Dhubri, and Bomdila faults, as well as the Indo-Burma subduction zone. These findings highlight areas of significant deformation and high seismic risk. The Kopili Fault Zone, in particular, exhibits high compressional strain rates, suggesting...
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Includes: Supplemental Content
Journal Article
An Appraisal of Ground Failure and Hydrogeological Changes Associated with the 28 April 2021 M w 6 Sonitpur Earthquake, Assam, India, Using Field Evidences and InSAR Measurements Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 02 February 2022
Seismological Research Letters (2022) 93 (3): 1440–1451.
... earthquake ( M w 6) occurred near the Kopili fault zone in Sonitpur district, Assam, India, on 28 April 2021 and created intense ground shaking and extensive damage along the Brahmaputra Valley. We undertook a field survey within a day after the earthquake and carried out Interferometric Synthetic Aperture...
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Includes: Supplemental Content
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Tectonic map of NE India (modified after Nandi, 2001, Kayal and De, 1991 ... Available to Purchase
in Macroseismic Study of 4 th January 2016, Manipur Earthquake, and its Implications
> Journal of the Geological Society of India
Published: 01 August 2023
Fig.1. Tectonic map of NE India (modified after Nandi, 2001, Kayal and De, 1991 and GSI). Map showing MBT, Main Boundary Thrust; MCT, Main Central Thrust; Mishmi Thrust; Naga Thrust; Lohit Thrust; DF, Dauki fault; IBFT, Indo-Burma Frontal Thrust; Kopili fault; CMF, Churachandpur-Mao fault
Image
(a) Orthogonal sand dykes observed in the meandering scars in the Kopili F... Available to Purchase
in CSIR-NGRI’s Quest for Understanding Earth Surface Processes and Liquefaction Based Paleoseismology in the Himalaya and Adjoining Region
> Journal of the Geological Society of India
Published: 01 November 2021
Fig.2. (a) Orthogonal sand dykes observed in the meandering scars in the Kopili Fault Zone. (b) Liquefied sand of different ages in the same sand dyke. (c) A similar feature in upper Assam was interpreted as two paleoseismic events ( Reddy et al., 2009 ). (d) Schematic section showing
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Tectonic map of northeast India and its adjoining areas (after, GSI, 2000 ... Available to Purchase
in State of Tectonic Stress in Northeast India and Adjoining South Asia Region: An Appraisal
> Bulletin of the Seismological Society of America
Published: 01 April 2013
; BS , Barapani Shear Zone; KF , Kopili Fault; SF , Sylhet Fault; EBT , Eastern Boundary Thrust; Mishmi Thrust; GF , Gomoti Fault, Disang Thrust, Naga Thrust. Epicenters of the selected 516 earthquakes, open circles. Inset: Location map.
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Map showing the major tectonic features of the study region (modified from ... Available to Purchase
in Estimation of Source Parameters of Local Earthquakes Originated in Shillong–Mikir Plateau and its Adjoining Region of Northeastern India
> Bulletin of the Seismological Society of America
Published: 01 February 2013
duration magnitude, M D A . Digital broadband seismic stations, triangles. The major tectonic features in the region are indicated: Main Central Thrust, Main Boundary Thrust, Kopili fault, Dauki fault, Dudhnoi fault (Dh F), Dapsi Thrust ( DT ), Oldham fault ( OF ), Chedrang fault ( CF ), Borapani Shear
Image
![(a) Tectonic map of the Eastern Himalayan plate boundary system (boxed in the inset map) with plot of earthquakes above magnitude (Mw) 5 (see legend for color and size) and global centroid moment tensor (G-CMT) solution for the events modeled in this study. The Mw 6.9 2011 Sikkim earthquake has been shown in black (Paul et al. 2015). Depth of these events are written in the box beside the focal spheres. Major tectonic units in this region are labeled as: BV, Brahmaputra Valley; MH, Mikir Hills; SP, Shillong Plateau; NH, Naga Hills; IBR, Indo-Burman Ranges; TFTB, Tripura fold-thrust belt; MHT, Main Himalayan Thrust; KFZ, Kopili Fault Zone; OF, Oldham Fault; DCF, Dhubri-Chungthang Fault Zone; and DF, Dawki Fault. (b) GPS velocity field in the India-fixed reference frame [3].](https://gsw.silverchair-cdn.com/gsw/Content_public/Journal/lithosphere/2024/Special%2015/10.2113_2024_lithosphere_2024_189/1/s_lithosphere_2024_189.fig.001.jpeg?Expires=2147483647&Signature=VTCPFWJHdgq7KLoUYhgG2QoVzkzaJ6KTf9FX7TCmaacs0hVfmaU8aUtLKwF4liYCeFlMVodn2M0PeKEw1qUIzK5NeJSycSvRvOY0OMIP0-jZB4jx8FG46GGPgxCIJG1lGs~RSHL8bFh8lLZtp5k~IQ1nc6JRdeCEunqz8m7t4stBnigZj5bS-7oUddGQVRrcAswz9Cj-uVsI7~DptrbRFbqbiPEsumZynSxkiAVFBVx-TJ38NsrYsvw-Aw8hOmvWx5SCTK4SRrwrae2kwQBfCl9GsAAoRhwhGFuJqJyR~pTmL8ActbM1AAO8s5Gue4fN0yBl1Q4wbBynVdcmc6USWA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
( a ) Tectonic map of the Eastern Himalayan plate boundary system (boxed in... Open Access
in Role of Intraplate Strike-Slip Earthquakes in Accommodating Convergence Across the Eastern Himalayan Plate Boundary System
> Lithosphere
Published: 26 December 2024
fold-thrust belt; MHT, Main Himalayan Thrust; KFZ, Kopili Fault Zone; OF, Oldham Fault; DCF, Dhubri-Chungthang Fault Zone; and DF, Dawki Fault. ( b ) GPS velocity field in the India-fixed reference frame [ 3 ].
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Geological map of the Assam-Meghalaya Gneissic Complex (modified after Sad... Available to Purchase
in Significance of viscous coalescence in migmatites of the Assam-Meghalaya Gneissic Complex, eastern India
> The Canadian Mineralogist
Published: 25 February 2022
– Jamuna Fault System, KFZ – Kopili Fault Zone, AMGC – Assam Meghalaya Gneissic Complex, CITZ – Central Indian Tectonic Zone, CGGC – Chotanagpur Granite Gneiss Complex, EGB – Eastern Ghats Belt, ADMB – Aravalli Delhi Mobile Belt, NSMB – North Singhbhum Mobile Belt, SONA – Son Narmada lineament, MMB
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Tectonic set up of the Northeast (NE) India. MKF: Malda-Kishanganj Fault; D... Available to Purchase
in Estimation of Maximum Magnitude ( M max ): Impending Large Earthquakes in Northeast Region, India
> Journal of the Geological Society of India
Published: 01 June 2014
Central Thrust; MBT: Main Boundary Thrust; MFT: Main Frontal Thrust; PCF: Po Chu Fault; NT: Naga Thrust; DT: Disang Thrust; DF: Dauki Fault; KF: Kulsi Fault; DhF: Dudhnoi Fault; SF: Sylhet Fault; LT: Lohit Thrust; DKF: Dhansiri Kopili Fault; MT: Mishmi Thrust; KNF: Katihar-Nailphamari Fault; TF: Tista
Image
The map showing the eastern Himalayan region with major tectonic features (... Available to Purchase
in Recent Large Earthquakes in the Eastern Himalaya and its Foredeep Region: Seismotectonic Appraisal
> Journal of the Geological Society of India
Published: 01 June 2025
Thrust, MCT: Main Central Thrust, EPF: East Patna Fault, IGP: Indo Gangetic Plain, DhF: Dudhnoi Fault, TR: Teesta River Lineament, DT: Dapsi Thrust, DF: Dauki Fault, SP: Shillong Plateau, MH: Mikir Hills, KF: Kopili Fault, BF: Bomdila Fault, BR: Brahmaputra River, NT: Naga Thrust, DsT: Disang Thrust, MT
Image
![Map showing epicentral location of the 28 April 2021 Mw 6.0 Sonitpur earthquake (and aftershocks [red circles]). Location and fault plane solutions of the 2021 Sonitpur earthquake from the National Earthquake Information Center (NEIC) and Global Centroid Moment Tensor (Global CMT) are shown as black focal mechanism plots. The green dot represents the epicenter location from National Center for Seismology (NCS). Locations of the Main Frontal thrust (MFT), Kopili fault zone (KF), Naga thrust, Atherkhat fault (AF), and Dauki thrust are also shown. The thin blue line represents the Brahmaputra River. Historical earthquakes for the past two centuries (Mw >7) along the Himalayan region and Assam seismic gap (ASG) are shown in the inset map. The present study area is shown in the black rectangle, and the red line represents the plate boundary. The color version of this figure is available only in the electronic edition.](https://gsw.silverchair-cdn.com/gsw/Content_public/Journal/srl/93/3/10.1785_0220210257/3/s_0220210257fig1.png?Expires=2147483647&Signature=kTC6O8ub9pi1FKA855-vCGYXF-kJ3eI3qLuJ3n~hXfwYfEIOQ71VHNQruWrGD4Md4Q7nBHmXdcuUx4TBjmFZRVAAT6AoZgg5AM~FreRWoC3f2~ZBZmoHDLE8YEiUa9rUssVpDkJboKCLx~I1LwZuUtAUIJX2N2Host~jlgni1jE5VwjjbBtPccEYZkYu8sM6BDQCiyc0H07Alc7r5jg6QVq5UMLqbYE0br3Qd8qlq6XXrz8fn95DZoQ6iQ1BzECP93uAS7eBOTbo7bqsPy9nsZH50jnJlf0fMdd0fD9hf1Tk7x9Xps60U1nMsIXLD0cD1URVeQ4KyLYxoV6mbCmbPA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Map showing epicentral location of the 28 April 2021 M w 6.0 Sonit... Available to Purchase
in An Appraisal of Ground Failure and Hydrogeological Changes Associated with the 28 April 2021 M w 6 Sonitpur Earthquake, Assam, India, Using Field Evidences and InSAR Measurements
> Seismological Research Letters
Published: 02 February 2022
CMT) are shown as black focal mechanism plots. The green dot represents the epicenter location from National Center for Seismology (NCS). Locations of the Main Frontal thrust (MFT), Kopili fault zone (KF), Naga thrust, Atherkhat fault (AF), and Dauki thrust are also shown. The thin blue line
Image
Summary of Paleo-earthquake catalogue along the Eastern Himalayan Frontal t... Available to Purchase
in Geological Evidence of Great Earthquakes along the Eastern Himalayan Foothills
> Journal of the Geological Society of India
Published: 01 August 2021
al., 2017 ), (c) Marbong ( Jayangondaperumal et al., 2011 ), (d) Hemi Basti ( Pandey et al., 2021 ), (e-f) Harmuty, Nameri ( Kumar et al., 2010 ), (g) Sarpang Chu ( Roux-Mallouf et al., 2016 ). HFT Himalayan Frontal Trust, KF Kopili fault, MT Mishmi Thrust, NT Naga Thrust, MA Manabum anticline
Journal Article
Recent Large Earthquakes in the Eastern Himalaya and its Foredeep Region: Seismotectonic Appraisal Available to Purchase
Publisher: Geological Society of India
Published: 01 June 2025
Jour. Geol. Soc. India (2025) 101 (6): 776–781.
... Thrust, MCT: Main Central Thrust, EPF: East Patna Fault, IGP: Indo Gangetic Plain, DhF: Dudhnoi Fault, TR: Teesta River Lineament, DT: Dapsi Thrust, DF: Dauki Fault, SP: Shillong Plateau, MH: Mikir Hills, KF: Kopili Fault, BF: Bomdila Fault, BR: Brahmaputra River, NT: Naga Thrust, DsT: Disang Thrust, MT...
FIGURES
Journal Article
Role of Intraplate Strike-Slip Earthquakes in Accommodating Convergence Across the Eastern Himalayan Plate Boundary System Open Access
Journal: Lithosphere
Publisher: GSW
Published: 26 December 2024
Lithosphere (2024) 2024 (Special 15): lithosphere_2024_189.
... fold-thrust belt; MHT, Main Himalayan Thrust; KFZ, Kopili Fault Zone; OF, Oldham Fault; DCF, Dhubri-Chungthang Fault Zone; and DF, Dawki Fault. ( b ) GPS velocity field in the India-fixed reference frame [ 3 ]. ...
FIGURES
Includes: Supplemental Content
Journal Article
Macroseismic Study of 4 th January 2016, Manipur Earthquake, and its Implications Available to Purchase
Publisher: Geological Society of India
Published: 01 August 2023
Jour. Geol. Soc. India (2023) 99 (8): 1094–1102.
...Fig.1. Tectonic map of NE India (modified after Nandi, 2001, Kayal and De, 1991 and GSI). Map showing MBT, Main Boundary Thrust; MCT, Main Central Thrust; Mishmi Thrust; Naga Thrust; Lohit Thrust; DF, Dauki fault; IBFT, Indo-Burma Frontal Thrust; Kopili fault; CMF, Churachandpur-Mao fault...
FIGURES
Journal Article
Geological Evidence of Great Earthquakes along the Eastern Himalayan Foothills Available to Purchase
Publisher: Geological Society of India
Published: 01 August 2021
Jour. Geol. Soc. India (2021) 97 (8): 823–826.
... al., 2017 ), (c) Marbong ( Jayangondaperumal et al., 2011 ), (d) Hemi Basti ( Pandey et al., 2021 ), (e-f) Harmuty, Nameri ( Kumar et al., 2010 ), (g) Sarpang Chu ( Roux-Mallouf et al., 2016 ). HFT Himalayan Frontal Trust, KF Kopili fault, MT Mishmi Thrust, NT Naga Thrust, MA Manabum anticline...
FIGURES
Journal Article
CSIR-NGRI’s Quest for Understanding Earth Surface Processes and Liquefaction Based Paleoseismology in the Himalaya and Adjoining Region Available to Purchase
Publisher: Geological Society of India
Published: 01 November 2021
Jour. Geol. Soc. India (2021) 97 (10): 1152–1156.
...Fig.2. (a) Orthogonal sand dykes observed in the meandering scars in the Kopili Fault Zone. (b) Liquefied sand of different ages in the same sand dyke. (c) A similar feature in upper Assam was interpreted as two paleoseismic events ( Reddy et al., 2009 ). (d) Schematic section showing...
FIGURES
Journal Article
Fractal Analysis of Major Faults in India on a Regional Scale Available to Purchase
Publisher: Geological Society of India
Published: 01 September 2011
Jour. Geol. Soc. India (2011) 78 (3): 226–232.
... 7.1, 1986 Dharamsala M W 5.4, 1991 Uttarkashi M w 6.8, and 1999 Chamoli M w 6.5. Similarly, higher D f is also observed in the northeast part of the study region that encompasses MBT, MCT, and MFT from Sikkim Himalaya to Lohit thrust. Kopili and Atherkhet faults are also seen with higher D f...
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