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![First thumbnail for: Revisiting the <span class="search-highlight">1956...]()
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![First thumbnail for: Structure of the Seismically Active Kachchh Region]()
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![Peak ground acceleration (PGA) map (g), represented by vertical bars, due to the Mw 6.0 target earthquake. The star represents the 1956 Anjar earthquake.]()
![Locations of the strong‐motion accelerograph (SMA) and BBS stations used in this study with their underlying geology. The triangles, solid circles, and square represent locations of SMA stations, BBS stations, and both SMA and BBS stations, respectively. The small and big black stars represent the element and target earthquake (1956 Anjar earthquake). The white rectangle in the background of the two epicenters represents the inferred rupture plane of the 1956 Anjar earthquake. The 9.5×5.5 km2 rupture plane considered in the synthesis is enlarged and shown on the right. The star shown in the rupture plane represents the position of the rupture initiation. ABF, Allah Bund fault; IBF, Island belt fault; GF, Gedi fault; KMF, Kachchh mainland fault; KHF, Katrol hill fault; NKF, North Kathiawar fault; NWF, North Wagad fault; SWF, South Wagad fault.]()
![(a)Kachchh (Gujarat) station map. The white lines are the profiles AB, CD, and EF. Small red circles indicate seismic relocations from simultaneous inversion, whereas open black triangles indicate broadband station locations. Solid black lines indicate faults. IBF: Island belt fault; NWF: north Wagad fault; GF: Gedi fault; KMF: Kachchh Mainland fault; KHF: Katrol Hill fault. Blue circles indicate M5 epicentres, while big yellow circles indicate M≥6 events like the 1819 Kachchh, 2001 Bhuj, and 1956 Anjar earthquakes. In the inset, the key map shows the study area as an open square. Compression over India is shown by a black arrow. (b) Initial P- and S-wave velocity models (Mandal, 2007).]()
![First thumbnail for: The Possibility of Site Effects: The <span class="...]()
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![A plot showing the locations of seismograph stations (solid black triangles) whose data have been used for the focal mechanism study of the Kachchh region, Gujarat, India. The red solid star represents the epicenters of the 2001 Mw 7.7 Bhuj, 1819 Mw 7.7 Rann of Kachchh and 1956 Mw6.0 Anjar earthquakes. Faults: ABF Allah Bund Fault, IBF Island Belt Fault, KMF Kachchh Mainland Fault, KHF Katrol Hill Fault, NPF Nagar Parkar Fault, BF Banni Fault, GF Gedi Fault are shown by solid black line, and NWF North Wagad Fault by black dotted line.]()
![First thumbnail for: Seismology and <span class="search-highlight">Eart...]()
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![(a) Station location map of the Uttarakhand region. Open black triangles mark the location of broadband stations while small red circles mark the earthquake relocations obtained from simultaneous inversion. The solid black line represents faults. ABF: Allah bund fault; IBF: Island belt fault: NWF: north Wagad fault; GF: Gedi fault; KMF: Kachchh Mainland fault; KHF: Katrol hill fault. Large blue filled circles mark the epicentral locations of M5 events while large filled yellow circles represent Mw≥6 events viz. 1819 Kachchh, 2001 Bhuj, and 1956 Anjar earthquakes, (b) Initial P- and S- wave velocity models of Mandal (2007), (c) A plot showing ray sampling of the study area for local earthquake velocity tomography. Blue dots mark epicentres while green triangles represent broadband seismograph stations. A plot showing RMS residual vs. number of iterations for (d) P- and (e) S- wave tomography. An arrow marks the minimum RMS value obtained at 14 iterations of the P- and S- tomography.]()
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![(a) A broader view of regional tectonics of India: map shows the major plate boundaries around India and the present study area (black rectangles, Mishra et al., 2008); (b) map showing tectonic features of the study region (adapted the compiled form of the map from Biswas, 1987; GSI, 2000; Talwani and Gangopadhyay, 2001; Kayal, Zhao, et al., 2002). The abbreviations of the Mesozoic faults in the figure are KRB, Kutchchh rift basin; CRB, Cambay rift basin; NRB, Narmada rift basin; NPF, Nagar Parkar fault; IBF, Island Belt fault; KMF, Kutchchh Mainland fault; NKF, North Kathiwar fault; WCF, West Coast fault; AB, Allah Bund (see text). Epicenters (solid circles) and fault‐plane solutions of the past significant earthquakes (Mw>5.0) are shown. For fault‐plane solutions, the solid circle indicates the P axis in the dilatational zone, and the open circle indicates the T axis in the compressional zone. The star indicates the mainshock epicenter of the 26 January 2001 Bhuj earthquake. Epicenters of the 1819 Kutchchh and the 1956 Anjar earthquakes are shown by solid dots (adapted from Kayal, De, et al., 2002).]()
![(a–d) Distribution of VP, VS, Poisson’s ratio (σ), and bulk velocity () perturbations (in %) at the mainshock hypocenter depth (25 km). The depth of each layer is shown in the bottom‐right corner of each map. The depth range of aftershocks (open circle) is shown in the bottom‐left corner of each map. Solid lines show active faults, and lineaments are denoted by the same abbreviations as used in Figure 1a. Solid triangles denote portable stations deployed following the Bhuj mainshock (solid star). The open stars denote the 1819 Kutchchh earthquake (KE; Chandra, 1977) and 1956 Anjar earthquake (AE). The perturbation scale is shown at the bottom. (e–f) The distribution of crack density (ϵ), saturation rate (ξ), and porosity (ψ) (in %) are shown at the 2001 Bhuj mainshock source hypocenter depth (25 km). The depth range of aftershocks (open circles) is shown at the top of each map. Solid lines represent lineaments and active faults (abbreviations are as given in Fig. 1). The solid star denotes the Bhuj mainshock. The perturbation scales are shown at the bottom of the corresponding image (after Mishra and Zhao, 2003). The color version of this figure is available only in the electronic edition.]()
![(a–d) Distribution of VP, VS, Poisson’s ratio (σ), and bulk velocity () perturbations (in %) at the mainshock hypocenter depth (25 km). The depth of each layer is shown in the bottom‐right corner of each map. The depth range of aftershocks (open circle) is shown in the bottom‐left corner of each map. Solid lines show active faults, and lineaments are denoted by the same abbreviations as used in Figure 1a. Solid triangles denote portable stations deployed following the Bhuj mainshock (solid star). The open stars denote the 1819 Kutchchh earthquake (KE; Chandra, 1977) and 1956 Anjar earthquake (AE). The perturbation scale is shown at the bottom. (e–f) The distribution of crack density (ϵ), saturation rate (ξ), and porosity (ψ) (in %) are shown at the 2001 Bhuj mainshock source hypocenter depth (25 km). The depth range of aftershocks (open circles) is shown at the top of each map. Solid lines represent lineaments and active faults (abbreviations are as given in Fig. 1). The solid star denotes the Bhuj mainshock. The perturbation scales are shown at the bottom of the corresponding image (after Mishra and Zhao, 2003). The color version of this figure is available only in the electronic edition.]()
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1-20 OF 78 RESULTS FOR
Anjar earthquake 1956
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Journal Article
Revisiting the 1956 Anjar Earthquake in Western India: Empirical Green’s Function Approach Available to Purchase
Publisher: Seismological Society of America
Published: 17 January 2017
Bulletin of the Seismological Society of America (2017) 107 (2): 592–602.
...Pallabee Choudhury; Sumer Chopra; Ketan Singha Roy; Jyoti Sharma; B. K. Rastogi Abstract We estimated ground motions at 12 selected sites in the Kachchh rift basin of Gujarat in the western peninsular shield area of India, where the damaging 1956 Anjar earthquake ( M w 6.0) was experienced...
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Journal Article
Moment Tensor Solutions of some Selected Local Events: Implications towards the Present-day Tectonics of the Kachchh Rift zone Available to Purchase
Publisher: Geological Society of India
Published: 01 February 2018
Jour. Geol. Soc. India (2018) 91 (2): 158–164.
...Bhoopendra Singh; Prantik Mandal ABSTRACT The Kachchh rift zone of the northwestern India lies near to the India–Arabia and the India–Eurasia plate boundaries, which has experienced many devastating earthquakes in the past, namely the 1819 Allah Bund earthquake, the 1956 Anjar earthquake...
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Journal Article
Structure of the Seismically Active Kachchh Region Available to Purchase
Publisher: Geological Society of India
Published: 01 November 2021
Jour. Geol. Soc. India (2021) 97 (10): 1163–1168.
... or in the high-velocity zones while some earthquakes (including the 1956 Anjar earthquake) also occurred in the low-velocity zones (8-18% drop in Vs, indicating the presence of fluids). We propose that mapping of such a scenario of crustal and lithospheric structure where resultant tectonic forces encourage...
FIGURES
Image
Peak ground acceleration (PGA) map ( g ), represented by vertical bars,... Available to Purchase
in Revisiting the 1956 Anjar Earthquake in Western India: Empirical Green’s Function Approach
> Bulletin of the Seismological Society of America
Published: 17 January 2017
Figure 4. Peak ground acceleration (PGA) map ( g ), represented by vertical bars, due to the M w 6.0 target earthquake. The star represents the 1956 Anjar earthquake.
Image
Locations of the strong‐motion accelerograph (SMA) and BBS stations used in... Available to Purchase
in Revisiting the 1956 Anjar Earthquake in Western India: Empirical Green’s Function Approach
> Bulletin of the Seismological Society of America
Published: 17 January 2017
represent the element and target earthquake (1956 Anjar earthquake). The white rectangle in the background of the two epicenters represents the inferred rupture plane of the 1956 Anjar earthquake. The 9.5 × 5.5 km 2 rupture plane considered in the synthesis is enlarged and shown on the right
Image
(a) Kachchh (Gujarat) station map. The white lines are the profiles AB, CD,... Available to Purchase
in Evidence of Deep Crustal Fluids Facilitating Intraplate Earthquake Generation Beneath the Seismically Active Kachchh Rift Zone in Gujarat, India
> Journal of the Geological Society of India
Published: 01 June 2025
; NWF: north Wagad fault; GF: Gedi fault; KMF: Kachchh Mainland fault; KHF: Katrol Hill fault. Blue circles indicate M5 epicentres, while big yellow circles indicate M≥6 events like the 1819 Kachchh, 2001 Bhuj, and 1956 Anjar earthquakes. In the inset, the key map shows the study area as an open square
Journal Article
The Possibility of Site Effects: The Anjar Case, following Past Earthquakes in Gujarat, India Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 01 January 2011
Seismological Research Letters (2011) 82 (1): 59–68.
... during the 1956 Anjar earthquake. Ward 10 is apparently reclaimed from a 300–400 years old pond. Wards 5 and 9 sustained lower level of damages in both this earthquake and the 1956 event... The results of single H/V microtremor measurements conducted at a severely damaged site (M3), less...
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Journal Article
Evidence of Deep Crustal Fluids Facilitating Intraplate Earthquake Generation Beneath the Seismically Active Kachchh Rift Zone in Gujarat, India Available to Purchase
Publisher: Geological Society of India
Published: 01 June 2025
Jour. Geol. Soc. India (2025) 101 (6): 793–797.
...; NWF: north Wagad fault; GF: Gedi fault; KMF: Kachchh Mainland fault; KHF: Katrol Hill fault. Blue circles indicate M5 epicentres, while big yellow circles indicate M≥6 events like the 1819 Kachchh, 2001 Bhuj, and 1956 Anjar earthquakes. In the inset, the key map shows the study area as an open square...
FIGURES
Includes: Supplemental Content
Image
A plot showing the locations of seismograph stations (solid black triangles... Available to Purchase
in Moment Tensor Solutions of some Selected Local Events: Implications towards the Present-day Tectonics of the Kachchh Rift zone
> Journal of the Geological Society of India
Published: 01 February 2018
Fig.1. A plot showing the locations of seismograph stations (solid black triangles) whose data have been used for the focal mechanism study of the Kachchh region, Gujarat, India. The red solid star represents the epicenters of the 2001 Mw 7.7 Bhuj, 1819 Mw 7.7 Rann of Kachchh and 1956 Mw6.0 Anjar
Journal Article
Masonry Structures Available to Purchase
Journal: Earthquake Spectra
Publisher: Earthquake Engineering Research Institute
Published: 01 July 2002
Earthquake Spectra (2002) 18 (1_suppl): 187–224.
... cities of Adipur and Gandhidham. However, the growth of the region during 1950-1960 was less than expected. The slow increase in livelihood was due to marginal growth in commerce, trade, industry, and communications. The Anjar earthquake in 1956, whose epicenter was 55 km from Bhuj, and two wars...
Journal Article
Seismology and Earthquake Preparedness in Gujarat: Advancements after the 2001 Bhuj Earthquake Available to Purchase
Publisher: Geological Society of India
Published: 01 June 2025
Jour. Geol. Soc. India (2025) 101 (6): 787–792.
...) is one of India’s most notable intraplate events that created surface faulting (Rajendran and Rajendran, 2001). Similarly, the 1956 Anjar earthquake (M w 6.0) caused widespread damage, while the devastating 2001 Bhuj earthquake (M w 7.7) highlighted the active tectonics of the Kachchh region...
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Journal Article
False Site Effects: The Anjar Case, following the 2001 Bhuj (India) Earthquake Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 01 November 2008
Seismological Research Letters (2008) 79 (6): 816–819.
... ). For example, a 1956 earthquake with an epicenter close to that of the 2001 Bhuj earthquake, or the 1819 event shown in Table 1 , did not harm the old city of Anjar to the point where it had to be completely reconstructed, which was the case after the 2001 event. The 2001 event has simply been one earthquake...
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Journal Article
The 26 January 2001 “Republic Day” Earthquake, India Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 01 May 2001
Seismological Research Letters (2001) 72 (3): 328–335.
... ; Bilham and Gaur, 2000 ). The 1956 Anjar earthquake killed 152 people. The mechanism of the 2001 Republic Day earthquake is currently unresolved, although, as in the 1819 and 1897 earthquakes, the event apparently occurred on a steeply dipping thrust fault that did not break the surface. An unusual...
FIGURES
Image
(a) Station location map of the Uttarakhand region. Open black triangles m... Available to Purchase
Published: 01 November 2021
fault: NWF: north Wagad fault; GF: Gedi fault; KMF: Kachchh Mainland fault; KHF: Katrol hill fault. Large blue filled circles mark the epicentral locations of M5 events while large filled yellow circles represent M w ≥6 events viz. 1819 Kachchh, 2001 Bhuj, and 1956 Anjar earthquakes, (b) Initial P
Journal Article
Comparison of the Felt Earthquakes since Historical Times with NCS Catalogue and ISR Telemetry Network in Gujarat (2006 to date) Available to Purchase
Publisher: Geological Society of India
Published: 01 September 2023
Jour. Geol. Soc. India (2023) 99 (9): 1211–1217.
... a secondary meizoseismal area upto Ahmedabad and Surat where taller buildings suffered extensive damage ( Srivastava et al., 2010 ). The earthquake of Anjar (1956) of M w 6.0 ( Chung and Gao, 1995 ) showed larger damage on the soft ground as compared to that in the hilly regions. A few earthquakes...
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(a) A broader view of regional tectonics of India: map shows the major plat... Available to Purchase
in Crustal Heterogeneity in Bulk Velocity beneath the 2001 Bhuj Earthquake Source Zone and Its Implications
> Bulletin of the Seismological Society of America
Published: 12 November 2013
indicates the T axis in the compressional zone. The star indicates the mainshock epicenter of the 26 January 2001 Bhuj earthquake. Epicenters of the 1819 Kutchchh and the 1956 Anjar earthquakes are shown by solid dots (adapted from Kayal, De, et al. , 2002 ).
Image
(a–d) Distribution of V P , V S , Poisson’s ratio ( σ ), and bulk v... Available to Purchase
in Crustal Heterogeneity in Bulk Velocity beneath the 2001 Bhuj Earthquake Source Zone and Its Implications
> Bulletin of the Seismological Society of America
Published: 12 November 2013
) and 1956 Anjar earthquake (AE). The perturbation scale is shown at the bottom. (e–f) The distribution of crack density ( ϵ ), saturation rate ( ξ ), and porosity ( ψ ) (in %) are shown at the 2001 Bhuj mainshock source hypocenter depth (25 km). The depth range of aftershocks (open circles) is shown
Image
(a–d) Distribution of V P , V S , Poisson’s ratio ( σ ), and bulk v... Available to Purchase
in Crustal Heterogeneity in Bulk Velocity beneath the 2001 Bhuj Earthquake Source Zone and Its Implications
> Bulletin of the Seismological Society of America
Published: 12 November 2013
) and 1956 Anjar earthquake (AE). The perturbation scale is shown at the bottom. (e–f) The distribution of crack density ( ϵ ), saturation rate ( ξ ), and porosity ( ψ ) (in %) are shown at the 2001 Bhuj mainshock source hypocenter depth (25 km). The depth range of aftershocks (open circles) is shown
Journal Article
Seismic‐Hazard Assessment in the Kachchh Region of Gujarat (India) through Deterministic Modeling Using a Semi‐Empirical Approach Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 01 January 2014
Seismological Research Letters (2014) 85 (1): 117–125.
... of Kutch ( Rajendran and Rajendran, 2001 ) and an M w 6 intensity VIII earthquake struck Anjar in 1956, causing 115 deaths ( Tandon, 1959 ; Chung and Gao, 1995 ). Nine damaging earthquakes of M w 5–6 have occurred during the past 155 years, on an average of every 17 years. Some of these were...
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Includes: Supplemental Content
Journal Article
A Seismological Report on the 26 January 2001 Bhuj, India Earthquake Available to Purchase
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 01 May 2002
Seismological Research Letters (2002) 73 (3): 343–355.
... ). The 21 July 1956 Anjar earthquake (magnitude 7.0) occurred in the Banni depression. A number of houses in the central mainland of Kutch were damaged, and 115 persons were killed. The area of maximum damage was confined to about 2,000 km 2 in the central mainland of Kutch. The radius of perceptibility...
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