Dense Seismic Array Monitoring of the Glacier Tongue of Isunnguata Sermia, West Greenland

Authors

  • Nicolas Paris Institut des Géosciences de l'Environnement Université Grenoble Alpes https://orcid.org/0009-0001-2412-8370
  • Florent Gimbert Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble, France
  • Tifenn Le Bris Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble, France
  • Stephen J. Livingstone School of Geography and Planning, University of Sheffield, Sheffield, UK https://orcid.org/0000-0002-7240-5037
  • Samuel H. Doyle Centre for Glaciology, Department of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, SY23 3DB, UK
  • Alexandre Michel Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble, France
  • Andrew J. Sole School of Geography and Planning, University of Sheffield, Sheffield, UK https://orcid.org/0000-0001-5290-8967
  • Albanne Lecointre ISTerre, Université Grenoble Alpes, CNRS, Université Savoie Mont Blanc, IRD, Université Gustave Eiffel, Grenoble, France
  • Laura Pinzon-Rincon German Research Centre for Geosciences (GFZ), Potsdam, Germany https://orcid.org/0000-0002-2432-227X
  • Gregor Hillers Institute of Seismology, Department of Geosciences and Geography, University of Helsinki, Helsinki, Finland https://orcid.org/0000-0003-2341-1892
  • Roméo Courbis Institute of Seismology, Department of Geosciences and Geography, University of Helsinki, Helsinki, Finland
  • Philippe Roux ISTerre, Université Grenoble Alpes, CNRS, Université Savoie Mont Blanc, IRD, Université Gustave Eiffel, Grenoble, France
  • Guilhem Barruol Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble, France
  • Elizabeth A. Bagshaw School of Geographical Sciences, University of Bristol, University Road, Bristol BS8 1SS, UK
  • Thomas R. Chudley School of Geographical Sciences, University of Bristol, University Road, Bristol BS8 1SS, UK https://orcid.org/0000-0001-8547-1132
  • Lisa Craw School of Earth and Environmental Sciences, Cardiff University, Cardiff, GB
  • Laura A. Edwards School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK https://orcid.org/0000-0001-9936-6966
  • Adrien Gilbert Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble, France
  • Jonathan D. Hawkins School of Earth and Environmental Sciences, Cardiff University, Cardiff, GB
  • Ryan N. Ing School of Geosciences, University of Edinburgh, Edinburgh, UK https://orcid.org/0000-0001-9767-3209
  • Andrew H. Jones Institute of Social Sciences: Geography, Environment and Planning, Sheffield Hallam University, Sheffield, UK https://orcid.org/0000-0001-8662-4049
  • Angus Moffat School of Geography and Planning, University of Sheffield, Sheffield, UK https://orcid.org/0009-0007-3492-1843
  • Matthew W. Peacey Centre for Glaciology, Department of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, SY23 3DB, UK https://orcid.org/0000-0001-8554-2797
  • Michael R. Prior-Jones School of Earth and Environmental Sciences, Cardiff University, Cardiff, GB
  • Neil Ross School of Geography, Politics and Sociology, Newcastle University, Newcastle upon Tyne, UK https://orcid.org/0000-0002-8338-4905
  • Arnaud Reboud Université Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble, France
  • Robert D. Storrar Department of the Natural and Built Environment, Sheffield Hallam University, Sheffield, UK https://orcid.org/0000-0003-4738-0082
  • Sian C. Thorpe School of Geography and Planning, University of Sheffield, Sheffield, UK
  • Remy Veness Institute of Social Sciences: Geography, Environment and Planning, Sheffield Hallam University, Sheffield, UK
  • Tun J. Young School of Geography and Sustainable Development, University of St Andrews, St Andrews, UK

DOI:

https://doi.org/10.26443/seismica.v5i2.2557

Keywords:

Seismic array, Ambient seismic noise, DAS, Distributed Acoustic Sensing, beamforming, Seismic nodal array, Large-N arrays, Glaciology

Abstract

Accelerating mass loss from the Greenland Ice Sheet is affected by meltwater-driven changes in ice dynamics, which remain poorly understood due to limited observations. Here, we present a 2.5 km2 wide dense passive seismic array experiment conducted in the ablation zone of Isunnguata Sermia, West Greenland. We target varying surface melt conditions through one-month long monitoring periods in spring, summer, and fall using 82-117 nodes deployed in 2023 and 2024 complemented by multi-week surface Distributed Acoustic Sensing acquisitions in 2024. We assess data quality using power spectral densities and noise correlation functions. We find that low-frequency seismic power is highly correlated to ice surface velocity, suggesting a strong control of subglacial hydrology on ice dynamics. We retrieve stable and high signal-to-noise ratio noise correlations containing Rayleigh, Love, and P wave arrivals, suggesting these may successfully be used for glacier structure imaging and monitoring. We finally demonstrate we can locate numerous seismic events with resolution down to a few meters using Matched Field Processing and which exhibit characteristic spatial patterns evolving across seasons. These findings establish the potential of such experiment to infer glacier hydrology, dynamics, and structure at high spatial and temporal resolution.

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2026-07-17

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Paris, N., Gimbert, F., Le Bris, T., Livingstone, S. J., Doyle, S. H., Michel, A., Sole, A. J., Lecointre, A., Pinzon-Rincon, L., Hillers, G., Courbis, R., Roux, P., Barruol, G., Bagshaw, E. A., Chudley, T. R., Craw, L., Edwards, L. A., Gilbert, A., Hawkins, J. D., Ing, R. N., Jones, A. H., Moffat, A., Peacey, M. W., Prior-Jones, M. R., Ross, N., Reboud, A., Storrar, R. D., Thorpe, S. C., Veness, R., & Young, T. J. (2026). Dense Seismic Array Monitoring of the Glacier Tongue of Isunnguata Sermia, West Greenland. Seismica, 5(2). https://doi.org/10.26443/seismica.v5i2.2557

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Copyright (c) 2026 Nicolas Paris, Florent Gimbert, Tifenn Le Bris, Stephen J. Livingstone, Samuel H. Doyle, Alexandre Michel, Andrew J. Sole, Albanne Lecointre, Laura Pinzon-Rincon, Gregor Hillers, Roméo Courbis, Philippe Roux, Guilhem Barruol, Elizabeth A. Bagshaw, Thomas R. Chudley, Lisa Craw, Laura A. Edwards, Adrien Gilbert, Jonathan D. Hawkins, Ryan N. Ing, Andrew H. Jones, Angus Moffat, Matthew W. Peacey, Michael R. Prior-Jones, Neil Ross, Arnaud Reboud, Robert D. Storrar, Sian C. Thorpe, Remy Veness, Tun J. Young

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