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Freysteinn Sigmundsson

Freysteinn Sigmundsson

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Earth Science
Iceland
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 57 2307 2096 4 4 369 10008

Freysteinn Sigmundsson publications per year

The chart shows the history of publications by Freysteinn Sigmundsson between 1991 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Freysteinn Sigmundsson published across 35 years, from 1991 to 2025, averaging 11.8 papers a year. Output peaked at 29 publications in 2015. 29 of the 413 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1991 to 2025. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2015. 1991: 1 publication 1992: 3 publications 1993: 0 publications 1994: 2 publications 1995: 3 publications 1996: 1 publication 1997: 7 publications 1998: 2 publications 1999: 2 publications 2000: 4 publications 2001: 5 publications 2002: 10 publications 2003: 13 publications 2004: 8 publications 2005: 10 publications 2006: 15 publications 2007: 12 publications 2008: 15 publications 2009: 10 publications 2010: 25 publications 2011: 15 publications 2012: 14 publications 2013: 15 publications 2014: 24 publications 2015: 29 publications 2016: 17 publications 2017: 16 publications 2018: 19 publications 2019: 18 publications 2020: 23 publications 2021: 13 publications 2022: 14 publications 2023: 19 publications 2024: 17 publications 2025: 12 publications
1991 2025

413 publications in total across all disciplines

View publications per year as a table
Freysteinn Sigmundsson: publications per year, 1991 to 2025
Year Publications
1991 1
1992 3
1993 0
1994 2
1995 3
1996 1
1997 7
1998 2
1999 2
2000 4
2001 5
2002 10
2003 13
2004 8
2005 10
2006 15
2007 12
2008 15
2009 10
2010 25
2011 15
2012 14
2013 15
2014 24
2015 29
2016 17
2017 16
2018 19
2019 18
2020 23
2021 13
2022 14
2023 19
2024 17
2025 12
Total 413
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Freysteinn Sigmundsson 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 Freysteinn Sigmundsson sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 368–377 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 369 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60 369
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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Freysteinn Sigmundsson 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 Freysteinn Sigmundsson sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 57 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 57 D-Index — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120 57
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Research.com Recognitions

  • 2026 - Research.com Earth Science in Iceland Leader Award
  • 2025 - Research.com Earth Science in Iceland Leader Award
  • 2017 - Member of Academia Europaea

Overview

Freysteinn Sigmundsson is affiliated with the University of Iceland in Iceland and specializes primarily in Earth and Planetary Sciences. Their research portfolio includes a strong focus on geophysics and related subfields such as atmospheric science, oceanography, management, monitoring, policy and law, and earth-surface processes.

The core research themes explored by Sigmundsson cover earthquake and tectonic studies, geological and geochemical analysis, high-pressure geophysics and materials, geophysics and gravity measurements, geology and paleoclimatology research, landslides and related hazards, and geological formations and processes.

Key publications from Sigmundsson's recent work include:

  • Deformation and seismicity decline before the 2021 Fagradalsfjall eruption (2022, Nature)
  • Unexpected large eruptions from buoyant magma bodies within viscoelastic crust (2020, Nature Communications)
  • Fracturing and tectonic stress drive ultrarapid magma flow into dikes (2024, Science)
  • Deformation, seismicity, and monitoring response preceding and during the 2022 Fagradalsfjall eruption, Iceland (2023, Bulletin of Volcanology)
  • Eruption risks from covert silicic magma bodies (2021, Geology)

Freysteinn Sigmundsson frequently publishes in several scientific venues, notably:

  • Journal of Volcanology and Geothermal Research (8 publications)
  • Geophysical Research Letters (6 publications)
  • Bulletin of Volcanology (4 publications)
  • Earth and Planetary Science Letters (3 publications)
  • Journal of Geophysical Research Solid Earth (3 publications)

Collaboration with other researchers is prominent in Sigmundsson's career, with frequent co-authors including Halldór Geirsson, Vincent Drouin, Michelle Parks, Benedíkt G. Ófeigsson, and Sigrún Hreinsdóttir.

In recognition of their contributions to the scientific community, Sigmundsson was named a Member of Academia Europaea in 2017.

Best Publications

  • Segmented lateral dyke growth in a rifting event at Bárðarbunga volcanic system, Iceland

    Freysteinn Sigmundsson;Andrew Hooper;Sigrún Hreinsdóttir;Kristín S. Vogfjörd

  • Intrusion triggering of the 2010 Eyjafjallajokull explosive eruption

    Freysteinn Sigmundsson;Sigrún Hreinsdóttir;Andrew Hooper;Thóra Árnadóttir

  • Ice–volcano interaction of the 1996 Gjálp subglacial eruption, Vatnajökull, Iceland

    Magnú T. Gudmundsson;Freysteinn Sigmundsson;Helgi Björnsson

  • Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow

    Magnús T. Gudmundsson;Kristín Jónsdóttir;Andrew Hooper;Eoghan P. Holohan

  • Geophysical constraints on the dynamics of spreading centres from rifting episodes on land

    Tim J. Wright;Freysteinn Sigmundsson;Carolina Pagli;Manahloh Belachew

  • Iceland Geodynamics: Crustal Deformation and Divergent Plate Tectonics

    Freysteinn Sigmundsson

  • Fault slip distribution of two June 2000 M W 6.5 earthquakes in South Iceland estimated from joint inversion of InSAR and GPS measurements

    Rikke Pedersen;Sigurjón Jónsson;Thóra Árnadóttir;Freysteinn Sigmundsson

  • Post-glacial rebound and asthenosphere viscosity in Iceland

    Freysteinn Sigmundsson

  • Volcano geodesy and magma dynamics in Iceland

    Erik Sturkell;Páll Einarsson;Freysteinn Sigmundsson;Halldór Geirsson

  • Geodetic GPS measurements in south Iceland: Strain accumulation and partitioning in a propagating ridge system

    P. C. LaFemina;Timothy H. Dixon;R. Malservisi;R. Malservisi;T. Arnadottir

  • Three-dimensional surface motion maps estimated from combined interferometric synthetic aperture radar and GPS data

    Sverrir Gudmundsson;Freysteinn Sigmundsson;Jens Michael Carstensen

  • Rift‐transform kinematics in south Iceland: Deformation from Global Positioning System measurements, 1986 to 1992

    Freysteinn Sigmundsson;Páll Einarsson;Roger Bilham;Erik Sturkell

  • Lava field evolution and emplacement dynamics of the 2014–2015 basaltic fissure eruption at Holuhraun, Iceland

    G.B.M. Pedersen;A. Höskuldsson;T. Dürig;T. Thordarson

  • The 1996 eruption at Gjálp, Vatnajökull ice cap, Iceland: efficiency of heat transfer, ice deformation and subglacial water pressure

    Magnús T. Gudmundsson;Freysteinn Sigmundsson;Helgi Björnsson;Thórdís Högnadóttir

  • Will present day glacier retreat increase volcanic activity? Stress induced by recent glacier retreat and its effect on magmatism at the Vatnajökull ice cap, Iceland

    Carolina Pagli;Carolina Pagli;Freysteinn Sigmundsson

  • Comment on " Volume of magma accumulation or withdrawal estimated from surface uplift or subsidence, with application to the 1960 collapse of Kīlauea volcano" by P. T. Delaney and D. F. McTigue

    Daniel J. Johnson;Freysteinn Sigmundsson;Paul T. Delaney

  • The 2008 May 29 earthquake doublet in SW Iceland

    J. Decriem;T. Árnadóttir;A. Hooper;H. Geirsson

  • Crustal deformation near Hengill volcano, Iceland 1993–1998: Coupling between magmatic activity and faulting inferred from elastic modeling of satellite radar interferograms

    Kurt L. Feigl;Jérôme Gasperi;Freysteinn Sigmundsson;Alexis Rigo

  • Deformation and seismicity decline before the 2021 Fagradalsfjall eruption

    Unknown

  • Current plate movements across the Mid-atlantic ridge determined from 5 years of continuous GPS measurements in Iceland

    Halldór Geirsson;Thóra Árnadóttir;Christof Völksen;Weiping Jiang;Weiping Jiang

  • The 1994–1995 seismicity and deformation at the Hengill triple junction, Iceland: Triggering of earthquakes by minor magma injection in a zone of horizontal shear stress

    Freysteinn Sigmundsson;Páll Einarsson;Sigurdur Th. Rögnvaldsson;G. R. Foulger

Frequent Co-Authors

Páll Einarsson
Páll Einarsson University of Iceland
Andrew Hooper
Andrew Hooper University of Leeds
Erik Sturkell
Erik Sturkell University of Gothenburg
Thóra Árnadóttir
Thóra Árnadóttir University of Iceland
Magnús T. Gudmundsson
Magnús T. Gudmundsson University of Iceland
Kurt L. Feigl
Kurt L. Feigl University of Wisconsin–Madison
Virginie Pinel
Virginie Pinel Université Savoie Mont Blanc
Richard A. Bennett
Richard A. Bennett University of Arizona
Helgi Björnsson
Helgi Björnsson University of Iceland

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