World's Best Scientists 2026 revealed!
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Earth Science
Turkey
2026

D-Index & Metrics

Earth Science

D-Index
42
Citations
8067
World Ranking
5172
National Ranking
9

Sinan Akkar publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Sinan Akkar sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 119 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Sinan Akkar D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Sinan Akkar sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 42 D-Index — 33rd percentile

33% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Earth Science in Turkey Leader Award
  • 2025 - Research.com Earth Science in Turkey Leader Award

Overview

Sinan Akkar is affiliated with Boğaziçi University in Turkey and primarily conducts research in engineering and earth and planetary sciences. Their work extensively focuses on civil and structural engineering as well as geophysics. The main topics addressed in their research include seismic performance and analysis, structural health monitoring techniques, masonry and concrete structural analysis, earthquake and tectonic studies, seismic waves and analysis, earthquake detection and analysis, and insurance and financial risk management.

Sinan Akkar has contributed to a range of publications, with articles appearing in several scientific venues. Frequent publication venues include the Bulletin of Earthquake Engineering, Zenodo (CERN European Organization for Nuclear Research), Earthquake Spectra, Earthquake Engineering & Structural Dynamics, and Research Square.

Recent papers authored or coauthored by Sinan Akkar are:

  • Model of seismic design lateral force levels for the existing reinforced concrete European building stock, 2021, Bulletin of Earthquake Engineering
  • European Exposure Model Data Repository, 2021, Zenodo (CERN European Organization for Nuclear Research)
  • An updated strong-motion database of Türkiye (SMD-TR), 2023, Earthquake Spectra
  • A new formulation for a code-based vertical design spectrum, 2020, Earthquake Engineering & Structural Dynamics
  • A simulation-based regional ground-motion model for Western Turkiye, 2023, Bulletin of Earthquake Engineering

The scientist has collaborated frequently with several coauthors, including Özkan Kale, M. Abdullah Sandıkkaya, Emrah Yenier, Helen Crowley, and Venetia Despotaki.

Sinan Akkar has also contributed to book publications, notably with Springer Nature. One such publication is Advances in Assessment and Modeling of Earthquake Loss, published in 2021.

Best Publications

  • Empirical Equations for the Prediction of PGA, PGV, and Spectral Accelerations in Europe, the Mediterranean Region, and the Middle East

    Sinan Akkar;Julian J. Bommer

  • Empirical ground-motion models for point- and extended-source crustal earthquake scenarios in Europe and the Middle East

    S. Akkar;M. A. Sandıkkaya;J. J. Bommer

  • Reference database for seismic ground-motion in Europe (RESORCE)

    S. Akkar;M. A. Sandikkaya;M. A. Sandikkaya;M. Senyurt;A. Azari Sisi

  • Toward a ground-motion logic tree for probabilistic seismic hazard assessment in Europe

    Elise Delavaud;Fabrice Cotton;Fabrice Cotton;Sinan Akkar;Frank Scherbaum

  • Empirical Prediction Equations for Peak Ground Velocity Derived from Strong-Motion Records from Europe and the Middle East

    Sinan Akkar;Julian J. Bommer

  • Prediction of elastic displacement response spectra in Europe and the Middle East

    Sinan Akkar;Julian J. Bommer

  • Drift estimates in frame buildings subjected to near-fault ground motions

    Sinan Akkar;Ufuk Yazgan;Polat Gülkan

  • A Local Ground-Motion Predictive Model for Turkey, and Its Comparison with Other Regional and Global Ground-Motion Models

    Sinan Akkar;Zehra Çağnan

  • Displacement-Based Fragility Functions for Low- and Mid-rise Ordinary Concrete Buildings

    Sinan Akkar;Haluk Sucuoğlu;Ahmet Yakut

  • The Influence of Magnitude Range on Empirical Ground-Motion Prediction

    Julian J. Bommer;Peter J. Stafford;John E. Alarcón;Sinan Akkar

  • Influence of long-period filter cut-off on elastic spectral displacements

    Sinan Akkar;Julian J. Bommer

  • Effect of causal and acausal filters on elastic and inelastic response spectra

    David M. Boore;Sinan Akkar

  • A Ground-Motion Predictive Model for Iran and Turkey for Horizontal PGA, PGV, and 5% Damped Response Spectrum: Investigation of Possible Regional Effects

    Özkan Kale;Sinan Akkar;Anooshiravan Ansari;Hossein Hamzehloo

  • Effect of peak ground velocity on deformation demands for SDOF systems

    S. Akkar;Ö. Özen

  • Generalized Interstory Drift Spectrum

    Enrique Alberto Miranda;Enrique Alberto Miranda;S. D. Akkar;S. D. Akkar

  • Current Challenges and Future Trends in Analytical Fragility and Vulnerability Modeling

    Vitor Silva;Sinan Akkar;Jack Baker;Paolo Bazzurro

  • A New Procedure for Selecting and Ranking Ground-Motion Prediction Equations (GMPEs): The Euclidean Distance-Based Ranking (EDR) Method

    Özkan Kale;Sinan Akkar

  • A Model for Single‐Station Standard Deviation Using Data from Various Tectonic Regions

    Adrian Rodriguez‐Marek;Fabrice Cotton;Norman A. Abrahamson;Sinan Akkar

  • The recently compiled Turkish strong motion database: preliminary investigation for seismological parameters

    Sinan Akkar;Zehra Cagnan;Emrah Yenier;Oezguer Erdogan

  • Compatible ground-motion prediction equations for damping scaling factors and vertical-to-horizontal spectral amplitude ratios for the broader Europe region

    Sinan Akkar;M. Sandikkaya;M. Sandikkaya;Bekir Ay

  • Dynamic Instability of Simple Structural Systems

    Eduardo Miranda;Sinan D. Akkar

Frequent Co-Authors

Julian J. Bommer
Julian J. Bommer Imperial College London
Fabrice Cotton
Fabrice Cotton University of Potsdam
Mustafa Erdik
Mustafa Erdik Kandilli Observatory and Earthquake Research Institute
Helen Crowley
Helen Crowley University of Pavia
John Douglas
John Douglas University of Strathclyde
Lucia Luzi
Lucia Luzi National Institute of Geophysics and Volcanology
David M. Boore
David M. Boore United States Geological Survey
Pierre-Yves Bard
Pierre-Yves Bard Grenoble Alpes University
Kyriazis Pitilakis
Kyriazis Pitilakis Aristotle University of Thessaloniki

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