FS
Member Since 1988
Freysteinn Sigmundsson
Research scientist, Nordic Volcanological Center, Institute of Earth Sciences, University of Iceland
Member, Geodesy Fellows Committee
Professional Experience
Nordic Volcanological Center, Institute of Earth Sciences, University of Iceland
Research scientist
2004 - Present
Education
University of Colorado Boulder
Doctorate
Honors & Awards
William Bowie Lecture
Received December 2023
Video
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Union Fellow
Received December 2022
Citation
For pioneering the application of GPS and InSAR in volcanic settings and leading innovative multidisciplinary research into Icelandic volcanoes
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Publications
Strain Localization at Volcanoes Undergoing Extension: Investigation of Long‐Term Deformation at Kra...

Volcanoes in extensional environments may show gradual subsidence over decades during quiescent periods, due to various processes such as magma wit...

November 01, 2024
AGU Abstracts
Lateral Dikes during the 1975–1984 Krafla and the 2023–2024 Sundhnúkur Crater Row Rifting Episodes in Iceland: Reexamination of the Roles of Tectonic Stress and Topography
UNDERSTANDING VOLCANIC AND VOLCANOTECTONIC PROCESSES V ORAL
volcanology, geochemistry and petrology | 13 december 2024
Yilin Yang, Freysteinn Sigmundsson, Halldor Geirss...
The spatial pattern of repeated lateral dike intrusions in a rift zone depends on pressure build-up and conditions in a magma domain where magma accum...
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How Much Magma Pressure Does it Take to Open a Dike? Comparison of the 10 November 2023 Dike Injection at the Sundhnúkur Crater Row, Iceland, and Six Following Diking Events in a Major Volcano-tectonic Episode
UNDERSTANDING VOLCANIC AND VOLCANOTECTONIC PROCESSES V ORAL
volcanology, geochemistry and petrology | 13 december 2024
Freysteinn Sigmundsson, Michelle Parks, Halldor Ge...
Following magma accumulation in the center of the Svartsengi volcanic system, Reykjanes Peninsula, Iceland, an initial diking event of an ongoing rift...
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2023-2024 Inflation-Deflation Cycles at Svartsengi and Repeated Dike Injections and Eruptions at the Sundhnúkur Crater Row, Reykjanes Peninsula, Iceland
GLOBAL APPLICATIONS OF VOLCANO GEODESY I ORAL
geodesy | 12 december 2024
Michelle Parks, Freysteinn Sigmundsson, Vincent Dr...
Since 26 October 2023 a series of inflation episodes have occurred in the center of the Svartsengi volcanic system at the oblique spreading plate boun...
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Volunteer Experience
2025 - 2026
Member
Geodesy Fellows Committee
2023 - 2024
Member
Geodesy Fellows Committee
Check out all of Freysteinn Sigmundsson’s AGU Research!
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