Volume 32 (2022)
Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
Volume 27 (2018)
Volume 26 (2017)
Volume 25 (2016)
Volume 24 (2015)
Volume 23 (2014)
Volume 22 (2013)
Volume 21 (2012)
Volume 20 (2011)
Volume 19 (2010)
Volume 18 (2009)
Volume 17 (2008)
Volume 16 (2007)
Tectonics
Morphotectonics and Slip rate of the Khazar fault in Central Alborz, (North of Iran)

Hamid Nazari; Jean-Francois Ritz; Ara Avagyan

Volume 31, Issue 2 , September 2021, , Pages 101-110

https://doi.org/10.22071/gsj.2021.259868.1863

Abstract
  The Alborz mountain range accommodates some of the convergence between Central Iran and Eurasia. At present, the kinematics of the range involves a strain partitioning mechanism, and is associated with clockwise rotation of the South Caspian Basin. left-lateral strike-slip faulting is present along the ...  Read More

Tectonics
Detection hidden fault Dorud (Southwestern Iran) region Silakhor plain using by studies geophysical

zahra kamali; hamid nazari; ahad fazeli; faramarz alah vardi migoni; mohamad ali shokri; firooz jafari; hossin iranshahi

Volume 29, Issue 115 , June 2020, , Pages 269-276

https://doi.org/10.22071/gsj.2019.122536.1439

Abstract
  The Dorud fault, as one of the most important seismic in segments of Zagros main recent fault, near the Arjng area it have northwest-southeast trend and continuity extended in Boroujerd area. Geophysical impressions in 5 profiles, and three resistivity, magnetometric and radionuclide parallel profile ...  Read More

Identification of an old lake for the first time in quaternary units around Yazd city

behnam pashazadeh; Davood Jahani; razieh Lak; Hamid nazari; masoud zamani pedram

Volume 28, Issue 112 , August 2019, , Pages 101-108

https://doi.org/10.22071/gsj.2018.89241.1155

Abstract
  The purpose of this research is to identify quaternary units and determine the sediment boundaries around Yazd city in Central Iran. The origin of Quaternary sediments is mainly related to erosion of the Triassic, Cretaceous, and Palaeozoic units. Based on the results of sedimentation, six types of facies ...  Read More

Investigation of active tectonics and identification of active faults by geophysical methods case study: Gohartapeh- Behshahr

F. Alahverdi Maygooni; M. Mohamadi Vizheh; A.R. Farrokhnia; E. Boostan; H. Nazari

Volume 28, Issue 111 , May 2019, , Pages 227-236

https://doi.org/10.22071/gsj.2019.88499

Abstract
  Undoubtedly, one of the evidence of tectonic activity in each region is earthquake, which has a major role in casualties and financial losses. The earthquake is usually caused by faults that sometimes extend to the depths of the earth's crust. In cases where no signs or complications of these faults ...  Read More

Archaeoseismological investigation along the Khazar fault system, based on the Paleoseismology (Gohar Tappeh protohistory Site, Behshahr- Mazandaran)

Z. Bakhtiarizadeh; H. Nazari; M. A. Shokri; A. Mahfroozi; A. Kaveh-firooz

Volume 28, Issue 110 , December 2018, , Pages 209-220

https://doi.org/10.22071/gsj.2019.84444

Abstract
  Archaeologists believe that men who lived in Archaeological sites of Mazandaran such as Komishan cave, Hutu and Kamarband, After leaving the cave were gradually formed the Gohar tappeh. Over time, people living with the loss of previous places were higher places. In Neolithic village has been form of ...  Read More

Tectonics
Kinematic dissimilarity analyses Dourd fault(southwestern Iran), using by Fractal, kernel and Morphotectonic

zahra kamali; magmodreza Hayhat; hamid nazari; mohammd mahdi khatib

Volume 28, Issue 109 , September 2018, , Pages 7-22

https://doi.org/10.22071/gsj.2017.87288.1125

Abstract
  The Dorud fault, as one of the most important seismicin segments of Zagros main recent fault, near the Arjng area it have northwest-southeast trend and continuity extended in Boroujerd area. This area is determined Kinematic dissimilarity fault the fractal analysis of the fractures, the center of earthquakes ...  Read More

Aquifer geometry of Sahneh-Bisetun plain based onmorphotectonic and active faulting, Kermanshah province, Iran

Sh Chizari; H Nazari; A.R Karimi Bavandpur; M Fotovat; M Malek Mahmudi

Volume 26, Issue 102 , March 2017, , Pages 197-206

https://doi.org/10.22071/gsj.2017.44149

Abstract
  The NW-SE trendingSahneh-Bisetun Plain is located in the northeast of the Kermanshah province, and is extendedmore or less sub-parallel with the Zagros structural zone. The proximity of this plain with the Main Recent Fault (MRF) makes its study more important. In this study, in addition to the identification ...  Read More

Analysis of Strike-Slip Kinematics in a Shear Zone with Heterogeneous Slip Rate: Case Study LutArea, Eastern Iran

H Yazdanpanah; M.M Khatib; H Nazari; E Gholami

Volume 25, Issue 97 , December 2016, , Pages 279-290

https://doi.org/10.22071/gsj.2015.41512

Abstract
  A model suggests the current shear, which originated about 5 Ma ago, has been accommodated by strike-slip faulting within and along the margins of the Lut area. The measured Quaternary slip rate along the Nehbandan fault system to the east and the Nayband fault system to the west margins of the Lut area ...  Read More

Analysis of geometric and kinematic parameters of strain on the open gash veins within the ‎Boushad shear zone (Birjand Ophiolitic Mélange, eastern Iran)

N Naimi-ghassabian; M. M Khatib; T Ghasemi rozveh; H Nazari; M.R Heyhat

Volume 25, Issue 100 , September 2016, , Pages 37-46

https://doi.org/10.22071/gsj.2016.40679

Abstract
  The Boushad shear zone (BSZ) is situated in the south of Birjand with at least 45 km length, about 9.2 Km width and strike N90E. The parts of the ophiolite mélange shear zone south of Birjand have changed by this shear zone. The earliest deformation, a polyphasesynmetamorphic deformation which ...  Read More

Linear finite element model of fault slip triggering adjacent to dams

P Sadeghi-Farshbaf; M.M Khatib; H Nazari

Volume 25, Issue 99 , June 2016, , Pages 281-284

https://doi.org/10.22071/gsj.2016.40937

Abstract
  The aim of this research is to investigate triggering of fault slip due to stress perturbation caused by hydraulic fracturing. The importance of this issue is to study the observed destructive effects of dam construction at locations adjacent to the superficial faults. Therefore, we use the Matlab programming ...  Read More

Evaluation of earthquake recurrence interval at Astara fault system based on seismic catalogs (NW of Iran)

A Barzegari; M Ghorashi; H Nazari; M.A Shokri; M Porkermani

Volume 25, Issue 98 , March 2016, , Pages 83-92

https://doi.org/10.22071/gsj.2016.41164

Abstract
  The north-south trending Astara Fault System (AFS) is located in the east of Talesh Mountains (TM) and west of the Caspian Sea. The probable seismic activity of this fault system will largely affect the north of GilanProvince. The AFS is one of the basement faults in Iran, which plays an important role ...  Read More

The Role of Trans- Tensional Structures on Emplacement of Auriferous Epithermal Silica Zones in Southwest Sabalan, Northwest Iran

Kh Baharfirouzi; A Khakzad; H Nazari; M.H Emami

Volume 24, Issue 96 , September 2015, , Pages 129-140

https://doi.org/10.22071/gsj.2015.41700

Abstract
  The Azerbaijan plateau is distinguished by varied geomorphology and mineralization, both of which controlled by the dominant structural regime in the area, that is associated with the collision of the Arabian and Eurasian plates. Strike slip faults are the main structural features controlling the development ...  Read More

Geometry and Recent Kinematics of the North Qazvin Fault: Morphotectonics Approach

B Taherkhani; H Nazari; M Pourkermani; M Arian

Volume 24, Issue 95 , June 2015, , Pages 29-38

https://doi.org/10.22071/gsj.2015.41781

Abstract
  The E-W trending North Qazvin Fault is situated in north & northeast of Qazvin city in south-central Alborz. Across the fault, Karaj formation (Eocene) is thrusted over Hezardarreh Formation (A) and the alluvial B Formation. It could be the source for the 1119 AD earthquake with an estimated magnitude ...  Read More

Geotechnical Behavior of Tehran Alluvial Deposits against Possible Seismic Events

F. Rezaie; H. Nazari; S. Rahmanian; A. R. Shahidi

Volume 24, Issue 94 , March 2015, , Pages 35-40

https://doi.org/10.22071/gsj.2015.48703

Abstract
  Due to the fast urban developing and construction of surface and sub-surface structures such as several subway lines, requiring the geotechnical studies on these structures is increasingly emphasized. The metropolitan Tehran, in south of the Central Alborz, lying on the set of Quaternary alluvial deposits ...  Read More

Microstructural Investigation of Southern Alvand Batholith Using Anisotropy of Magnetic Susceptibility (AMS)

A Aslani; H Alimohammadian; J Ghalamghash; H Nazari

Volume 24, Issue 94 , March 2015, , Pages 137-146

https://doi.org/10.22071/gsj.2015.42754

Abstract
  The studied locality covers an area of 120 km2, located at south and southwest of the Hamedan city. The porphyritic granite is the dominant volume of this intrusive body. This granitoid is divided into the granites (monzogranites, syenogranites and alkali feldspar granites) and granodiorites from petrographic ...  Read More

Analysis and Timing Synthesize of the Probable Earthquake in the Tehran Region: A Review to Paleoseismological Studies

H Nazari

Volume 24, Issue 1393 , March 2015, , Pages 263-273

https://doi.org/10.22071/gsj.2015.43424

Abstract
  Many attempts have been done to prepare active faults map of the greater Tehran region, in order to evaluate of probabilistic seismic hazard of the region. Insufficient data about the depth and nature of seismic layer, lack of enough numerical information about the crustal deformation rate, and little ...  Read More

Morphotectonics, Kinematics and Geometry of the Sufian-Shabestar Fault Zone, Azerbaijan (NW Iran)

A Ghahramani Zakaria; H Nazari; M Pourkermani

Volume 23, Issue 92 , September 2014, , Pages 155-164

https://doi.org/10.22071/gsj.2012.43694

Abstract
  This research has been achieved with the purpose of morphotectonic studies of the Sufian-Shabestar fault zone in the West Alborz-Azerbaijan (NW Iran). The fault zone cuts the Neogene and Quaternary units in south of the MishoMountains. The maximum of horizontal and vertical displacements along the Sufian-Shabestar ...  Read More

Late Pliestocene-Holocene Paleoseismicity, Temporal Clustering, & Probabilities of Future Large (M>7) Earthquake on the Dehshir Fault, Central Iran

M Foroutan; H Nazari; B Meyer; M Sébrier; M Fattahi; K Le Dortz; M Ghorashi; Kh Hessami; M. R Ghassemi; M Talebian

Volume 23, Issue 90 , March 2014, , Pages 75-90

https://doi.org/10.22071/gsj.2014.43958

Abstract
  The Dehshir fault system (DFS) including six fault segments forms the western border of NS-striking active dextral strike-slip fault cutting the Sanandaj-Sirjan, Uromieh-Dokhtar magmatic arc, and Central Iran. This active fault system right-laterally offset Eocene volcanic rocks and Quaternary alluvial ...  Read More

Determination of Clustering Pattern of Paleoearthquakes Occurrences on the Golbaf Fault, SE Kerman

M. Basiri; H. Nazari; M. Foroutan; S. Solaymani Azad; M. A. Shokri; M. Talebian; M. Ghorashi; M. J. Bolourchi; A. Rashidi

Volume 22, Issue 87 , December 2013, , Pages 171-180

https://doi.org/10.22071/gsj.2013.53848

Abstract
  The Golbaf area in Kerman province (SE Iran) has experienced five earthquake of Mw 5.4-7.1 between 1981 and 1998. Occurrences of these earthquakes in seventeen years time interval indicate that occurrences of earthquakes on the Golbaf (Gowk) fault system have a clustering model. In this study we use ...  Read More

Geometry and Kinematic of the Garmsar Fault Since Neogene

Arman Heravi; H. Nazari; A. Shahidi; M. Talebian

Volume 22, Issue 88 , December 2013, , Pages 175-186

https://doi.org/10.22071/gsj.2013.53691

Abstract
  The Garmsar Fault with a length of about 75 km and E-W trend  is located in Garmsar.This Fault observed in north of Garmsar and  eastern part of central Alborz with slop toward north, continus east of Eyvanakey Fault. Base of the morphotectonical investigation, along the Garmsar Fault this ...  Read More

New Paleoseismological Results within the Overlap Zone of NW and SE Segments of North Tabriz Fault (NW Iran)

A. Fathian Baneh; S. Solaymani Azad; H. Nazari; M. Ghorashi; M. Talebian

Volume 22, Issue 86 , December 2012, , Pages 3-12

https://doi.org/10.22071/gsj.2012.54048

Abstract
  Tabriz city, the most highly population city of NW Iran, is located close to the North Tabriz Fault (NTF). This 150 km right-lateral strike-slip fault consists of two major fault segments arranged in right-stepping pattern. A pull-apart basin has been formed within the overlap zone of these fault segments ...  Read More

Paleoseismologic Activity and Subsidence Rate on Tehran Alluvium Deposits in Chitgar Section; using Paleoseismological Data

A. Kaveh Firouz; H. Nazari; M. Arian; A. Shafei; T. Majidi; M. Shokri

Volume 21, Issue 84 , December 2012, , Pages 169-178

https://doi.org/10.22071/gsj.2012.53978

Abstract
  The North Tehran Fault with a length of about 110 km in North of Tehran and soutern of central Alborz with W-E trend (N25˚E) and dipping (30˚NE) is located in western of Mosha Fault.The branch of Chitgar such as Milad and Vardavard Fault in the form of propagation fault is increased toward south. Previous ...  Read More

Proposing a New Strategy to Make Precise Re-leveling Observations of Iran in Vertical Geodynamical Studies

Yahya Djamour; M. M. Hossainali; Y. H. Chavari; P. Vanicek; H. Nazari; M. Amighpey; S. Arabi

Volume 22, Issue 86 , December 2012, , Pages 273-260

https://doi.org/10.22071/gsj.2012.54096

Abstract
  The technique of precise leveling is certainly the most precise in gathering height difference observations. The main limitation of the mentioned technique is its high cost and low speed characteristics. Hence, for the purpose of repeating the precise leveling measurements (re-leveling), which is necessary ...  Read More

First Records of 1384 AD Shahr-e-Rey’s Historical Earthquake on Pishva Fault based on Paleoseismology Researches, South East of Tehran

T. Majidi Niri; H. Nazari; M. Ghorashi; M. Talebian; A. Kaveh Firooz

Volume 21, Issue 81 , December 2011, , Pages 169-178

https://doi.org/10.22071/gsj.2011.54381

Abstract
  Pishva fault with about 35km length is located between Alborz and Central Iran structural zones in southeast of Varamin. General trend of the fault is NW-SE (N38W, 33NE) which has reverse mechanism accompanied by sinistral component. Achieved Morphotectonic studies along the Pishva fault reveal its activity.  ...  Read More

Late Pleistocene-Holocene Right- Slip Rate of The Dehshir Fault, Central Iran Plateau

M Foroutan; H. Nazari; B. Meyer; M. Sébrier; M. Fattahi; K. Le Dortz; M. Ghorashi; Kh. Hessami; M. R. Ghassemi; M. Talebian

Volume 21, Issue 82 , December 2011, , Pages 195-206

https://doi.org/10.22071/gsj.2011.54458

Abstract
  The evaluation of  seismic potential along the Dehshir fault with 550-km  length (by count of northern and southern splays) is critical considering that more than 3.5 million people live in cities and towns located at vicinity of the fault. The Dehshir fault is considered as westernmost limit ...  Read More