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Dr. Steven Gibbons

Dr. Steven Gibbons


Postboks 53
2027 Kjeller, Norway


Work history

2002 - Present: Research Scientist, NORSAR, Norway 2000 - 2002: Research fellow, University of Leeds, UK and Institutt for geologi, University of Oslo, Norway. 1998 - 2000: Research fellow, University of Exeter, UK.

Work summary

Dr Gibbons completed his Ph.D. in September 1998 on the subject of numerical geodynamo modelling, with two primary focus areas. The first was reversal mechanisms and how small changes in the large-scale patterns of fluid flow in the Earth's core can excite different modes of magnetic field generation, including the initiation of dynamo waves and reversing polarity. The second was the influence of large-scale thermal heterogeneity at the core-mantle boundary on the small-scale convection structure of core flows.

Since March 2002, he has been employed as a research scientist at NORSAR working on various projects within the fields of signal processing, array seismology, and their application to the monitoring of underground nuclear explosions. Areas of special interest are signal detection and parameter estimation using seismic arrays, detection of weak seismic signals using waveform correlation methods, the application of spectral methods for the detection and characterization of seismic signals, and joint seismic and infrasonic processing.

Of particular interest are methods for signal identification and parameter estimation in situations in which classical array processing methods fail. This has included beamforming procedures using continuous spectral estimates over large aperture arrays and small networks, and empirical matched field processing where phase and amplitude relations of incoming signals are compared with those from previously observed waveforms.

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Date Publication
2018 Article: Improving Slowness Estimate Stability and Visualization Using Limited Sensor Pair Correlation on Seismic Arrays
Steven J. Gibbons, S. P. Näsholm, E. Ruigrok, T. Kværna
Geophysical Journal International
DOI: 10.1093/gji/ggx550
01.09.2017 Article: Illuminating the seismicity pattern of the October 8, 2005, M = 7.6 Kashmir earthquake aftershocks
Steven J. Gibbons, Tormod Kværna
Physics of the Earth and Planetary Interiors, 270, 1-8
DOI: 10.1016/j.pepi.2017.06.008
01.05.2017 Article: Characterization of induced seismicity patterns derived from internal structure in event clusters
B. P. Goertz-Allmann, S. J. Gibbons, V. Oye, R. Bauer, R. Will
Journal of Geophysical Research; Solid Earth, 122
DOI: 10.1002/2016jb013731
2017 Article: Toward an Improved Representation of Middle Atmospheric Dynamics Thanks to the ARISE Project
E. Blanc, L. Ceranna, A. Hauchecorne, A. Charlton-Perez, E. Marchetti, L. G. Evers, T. Kvaerna, J. Lastovicka, L. Eliasson, N. B. Crosby, P. Blanc-Benon, A. Le Pichon, N. Brachet, C. Pilger, P. Keckhut, J. D. Assink, P. S. M. Smets, C. F. Lee, J. Kero, T. Sindelarova, N. Kämpfer, R. Rüfenacht, T. Farges, C. Millet, S. P. Näsholm, S. J. Gibbons, P. J. Espy, R. E. Hibbins, P. Heinrich, M. Ripepe, S. Khaykin, N. Mze, J. Chum
Surveys in Geophysics
DOI: 10.1007/s10712-017-9444-0
2017 Article: Geomechanical Monitoring of CO2 Storage Reservoirs with Microseismicity
Bettina P. Goertz-Allmann, Volker Oye, Steven J. Gibbons, Robert Bauer
Energy Procedia, 114, 3937-3947
DOI: 10.1016/j.egypro.2017.03.1525
2017 Article: Locating Seismicity on the Arctic Plate Boundary Using Multiple-Event Techniques and Empirical Signal Processing
S. J. Gibbons, D. B. Harris, T. Dahl-Jensen, T. Kværna, T. B. Larsen, B. Paulsen, P. H. Voss
Geophysical Journal International, 211, 1613-1627
DOI: 10.1093/gji/ggx398
2017 Article: Cross-correlation beamforming
Elmer Ruigrok, Steven Gibbons, Kees Wapenaar
Journal of Seismology, 21, 495-508
DOI: 10.1007/s10950-016-9612-6
2017 Article: Accurate Relative Location Estimates for the North Korean Nuclear Tests Using Empirical Slowness Corrections
S. J. Gibbons, F. Pabian, S. P. Näsholm, T. Kværna, S. Mykkeltveit
Geophysical Journal International, 208, 101-117
DOI: 10.1093/gji/ggw379
01.06.2016 Article: The 11 October 2010 Novaya Zemlya Earthquake: Implications for Velocity Models and Regional Event Location
S. J. Gibbons, G. Antonovskaya, V. Asming, Y. V. Konechnaya, E. Kremenetskaya, T. Kværna, J. Schweitzer, N. V. Vaganova
Bulletin of the Seismological Society of America, 106, 1470-1481
DOI: 10.1785/0120150302
01.06.2016 Article: Iterative Strategies for Aftershock Classification in Automatic Seismic Processing Pipelines
Steven J. Gibbons, Tormod Kværna, David B. Harris, Douglas A. Dodge
Seismological Research Letters, 87, 919-929
DOI: 10.1785/0220160047
2016 Article: Deconvolution enhanced direction of arrival estimation using one- and three-component seismic arrays applied to ocean induced microseisms
M. Gal, A. M. Reading, S. P. Ellingsen, K. D. Koper, R. Burlacu, S. J. Gibbons
Geophysical Journal International, 206, 345-359
DOI: 10.1093/gji/ggw150
01.11.2015 Article: Strong-Motion Observations of the M 7.8 Gorkha, Nepal, Earthquake Sequence and Development of the N-SHAKE Strong-Motion Network
Amod M. Dixit, Adam T. Ringler, Danielle F. Sumy, Elizabeth S. Cochran, Susan E. Hough, Stacey S. Martin, Steven Gibbons, James H. Luetgert, John Galetzka, Surya N. Shrestha, Sudhir Rajaure, Daniel E. McNamara
Seismological Research Letters, 86, 1533-1539
DOI: 10.1785/0220150146
16.08.2015 Article: Probabilistic infrasound propagation using realistic atmospheric perturbations
P. S. M. Smets, L. G. Evers, S. P. Näsholm, S. J. Gibbons
Geophysical Research Letters, 42, 6510-6517
DOI: 10.1002/2015gl064992
01.07.2015 Article: Could the IMS Infrasound Stations Support a Global Network of Small Aperture Seismic Arrays?
Steven J. Gibbons, Tormod Kværna, Svein Mykkeltveit
Seismological Research Letters, 86, 1148-1159
DOI: 10.1785/0220150068
01.05.2015 Article: The European Arctic: A Laboratory for Seismoacoustic Studies
Steven J. Gibbons, Vladimir Asming, Lars Eliasson, Andrei Fedorov, Jan Fyen, Johan Kero, Elena Kozlovskaya, Tormod Kværna, Ludwik Liszka, Sven P. Näsholm, Tero Raita, Michael Roth, Timo Tiira, Yuri Vinogradov
Seismological Research Letters, 86, 917-928
DOI: 10.1785/0220140230
2015 Article: Regional passive seismic monitoring reveals dynamic glacier activity on Spitsbergen, Svalbard
Andreas Köhler, Christopher Nuth, Johannes Schweitzer, Christian Weidle, Steven J. Gibbons
Polar Science, 34
DOI: doi:10.3402/polar.v34.26178
17.10.2014 Article: The Applicability of Incoherent Array Processing to IMS Seismic Arrays
S. J. Gibbons
Pure and Applied Geophysics, 171, 377-394
DOI: 10.1007/s00024-012-0613-2
2014 Article: Improved implementation of the fk and Capon methods for array analysis of seismic noise
M. Gal, A. M. Reading, S. P. Ellingsen, K. D. Koper, S. J. Gibbons, S. P. Näsholm
Geophysical Journal International, 198, 1045-1054
DOI: 10.1093/gji/ggu183
2012 Article: Nuclear Test Ban Treaty Verification: Improving Test Ban Monitoring with Empirical and Model-Based Signal Processing
David B. Harris, Steven J. Gibbons, Arthur J. Rodgers, Michael E. Pasyanos
IEEE Signal Processing Magazine, 29, 57-70
DOI: 10.1109/MSP.2012.2184869
IEEE Xplore
2012 Article: Ratio-to-moving-average seismograms: a strategy for improving correlation detector performance
S. J. Gibbons, Frode Ringdal, Tormod Kværna
Geophysical Journal International, 190, 511-321
DOI: 10.1111/j.1365-246X.2012.05492.x
2012 Article: The Applicability of Incoherent Array Processing to IMS Seismic Arrays
S. J. Gibbons
Pure and Applied Geophysics
DOI: 10.1007/s00024-012-0613-2
2012 Article: Seismic Monitoring of the North Korea Nuclear Test Site Using a MultiChannel Correlation Detector
S. J. Gibbons, F. Ringdal
Geoscience and Remote Sensing, IEEE Transactions on, 50, 1897-1909
DOI: 10.1109/TGRS.2011.2170429
2011 Article: Improvements to Seismic Monitoring of the European Arctic Using Three-Component Array Processing at SPITS
S. J. Gibbons, J. Schweitzer, F. Ringdal, T. Kværna, S. Mykkeltveit, B. Paulsen
Bulletin of the Seismological Society of America, 101, 2737-2754
DOI: 10.1785/0120110109
BSSA online
19.11.2010 Article: Application of array-based waveform cross-correlation techniques to aftershock sequences
Myrto Pirli, Steven Gibbons and Johannes Schweitzer
Journal of Seismology, 1-12
DOI: 10.1007/s10950-010-9216-5
01.05.2010 Article: Considerations in Phase Estimation and Event Location Using Small-aperture Regional Seismic Arrays
Steven Gibbons, Tormod Kværna and Frode Ringdal
Pure and Applied Geophysics, 167, 381-399
DOI: 10.1007/s00024-009-0024-1
01.05.2010 Article: Detection and Analysis of Near-Surface Explosions on the Kola Peninsula
S. J. Gibbons and F. Ringdal
Pure appl. geophys., 167, 413-436
DOI: 10.1007/s00024-009-0038-8
01.03.2010 Article: To what extent is the present seismicity of Norway driven by post-glacial rebound?
H. Bungum, O. Olesen, C. Pascal, S. Gibbons, C. Lindholm and O. Vestøl
Journal of the Geological Society, 167, 373-384
DOI: 10.1144/0016-76492009-009
01.01.2010 Article: Preliminary Analysis of the 21 February 2008 Svalbard (Norway) Seismic Sequence
Myrto Pirli, Johannes Schweitzer, Lars Ottemoller, Mohammad Raeesi, Rolf Mjelde, Kuvvet Atakan, Aleksander Guterch, Steven J. Gibbons, Berit Paulsen, Wojciech Debski, Pawel Wiejacz and Tormod Kvaerna
Seismological Research Letters, 81, 63-75
DOI: 10.1785/gssrl.81.1.63
2009 Article: Kinematic dynamo action in a sphere with weak differential rotation
David Gubbins and S. J. Gibbons
Geophysical Journal International, 177, 71-80
DOI: 10.1111/j.1365-246X.2008.04085.x
01.01.2008 Article: Detection and characterization of seismic phases using continuous spectral estimation on incoherent and partially coherent arrays
S. J. Gibbons, F. Ringdal and T. Kværna
Geophys. J. Int., 172, 405-421
DOI: 10.1111/j.1365-246X.2007.03650.x
16.03.2007 Article: The detection and location of low magnitude earthquakes in northern Norway using multi-channel waveform correlation at regional distances☆
S. Gibbons, M. B. Sorensen, D. Harris and F. Ringdal
Physics of The Earth and Planetary Interiors, 160, 285-309
DOI: 10.1016/j.pepi.2006.11.008
2007 Article: Joint seismic-infrasonic processing of recordings from a repeating source of atmospheric explosions
Steven J. Gibbons, Frode Ringdal and Tormod Kværna
The Journal of the Acoustical Society of America, 122, 158
DOI: 10.1121/1.2784533
2007 Article: Convection in rotating spherical fluid shells with inhomogeneous heat flux at the outer boundary
S. J. Gibbons, D. Gubbins and K. Zhang
Geophysical & Astrophysical Fluid Dynamics, 101, 347-370
DOI: 10.1080/03091920701472550
01.09.2006 Article: On the Identification and Documentation of Timing Errors
Steven J. Gibbons
Seismological Research Letters, 77, 559-571
DOI: 10.1785/gssrl.77.5.559
25.04.2006 Article: Analysis and simulation of chemical explosions in nonspherical cavities in granite
Jeffry L. Stevens, Steven Gibbons, Norton Rimer, Heming Xu, Conrad Lindholm, Frode Ringdal, Tormod Kvaerna and John R. Murphy
Journal of Geophysical Research - Solid Earth, 111, 04306
DOI: 10.1029/2005JB003768
01.04.2006 Article: The detection of low magnitude seismic events using array-based waveform correlation
S. J. Gibbons and F. Ringdal
Geophys. J. Int., 165, 149-166
DOI: 10.1111/j.1365-246X.2006.02865.x
01.07.2005 Article: Monitoring of seismic events from a specific source region using a single regional array
S. Gibbons, T. Kværna and F. Ringdal
Journal of Seismology, 9, 277-294
DOI: 10.1007/s10950-005-5746-7
2004 Book Section: Low Pacific secular variation
David Gubbins and Steven J. Gibbons
DOI: 10.1029/145GM21
ISBN: 0-87590-410-6
AGU link
2002 Article: Three-Dimensional Dynamo Waves In a Sphere
David Gubbins and S. Gibbons
Geophysical & Astrophysical Fluid Dynamics, 96, 481-498
DOI: 10.1080/0309192021000037003
10.12.2001 Article: A numerical dynamo benchmark
U. R. Christensen, J. Aubert, P. Cardin, E. Dormy, S. Gibbons, G. A. Glatzmaier, E. Grote, Y. Honkura, C. Jones, M. Kono, M. Matsushima, A. Sakuraba, F. Takahashi, A. Tilgner, J. Wicht and K. Zhang
Physics of The Earth and Planetary Interiors, 128, 25-34
DOI: 10.1016/S0031-9201(01)00275-8
2000 Article: Kinematic dynamo action in a sphere. II. Symmetry selection
David Gubbins, C. N. Barber, S. Gibbons and J. J. Love
Proceedings of the Royal Society A, 456, 1669-1683
DOI: 10.1098/rspa.2000.0581
2000 Article: Convection in the Earth’s core driven by lateral variations in the core-mantle boundary heat flux
Steven J. Gibbons and David Gubbins
Geophysical Journal International, 142, 631-642
DOI: 10.1046/j.1365-246x.2000.00192.x
2000 Article: Kinematic dynamo action in a sphere. I. Effects of differential rotation and meridional circulation on solutions with axial dipole symmetry
David Gubbins, C. N. Barber, S. J. Gibbons and J. J. Love
Royal Society of London Proceedings Series A, 456, 1333-1353
DOI: 10.1098/rspa.2000.0565
01.03.1998 Article: The Parker-Levy reversal mechanism
S. Gibbons
Physics of The Earth and Planetary Interiors, 106, 129-137
DOI: 10.1016/S0031-9201(97)00083-6


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Latest Activities


Geosciences, Seismology, Signal Processing, Nuclear Explosion Monitoring, Array Processing, Geophysics, Earth Sciences, Infrasound, Inverse Theory