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Statewide California Earthquake Center
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Katherine A. Guns
US Geological Survey
Research Geophysicist
Expertise: Tectonic Geodesy (GNSS & InSAR) & Active Tectonics
About Me
Publications
I'm interested in trying to understand active crustal deformation processes with whatever tools we have at hand, from using satellite-based geodetic measurements of surface motion, to analyzing the past geomorphic record of offsets along individual fault strands with mapping and geochronology. My science journey has allowed me to contribute to the community as both a field-geologist and a geodesist, and having those multiple time-scale perspectives keeps life interesting when the geologic and geodetic worlds collide (a long-standing passion of mine is investigating geologic-geodetic fault slip rate discrepancies).
My current work focuses on using InSAR and GNSS observations to explore earthquakes.
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Guns, K. A.
Materna, K.
, &
Barbour, A. J.
(2025, 09). Using Sentinel-1 InSAR time series to characterize postseismic motions around the 2021 Mw 5.3 Calipatria earthquake, Imperial Valley, CA. Poster Presentation at 2025 SCEC Annual Meeting.
SCEC Contribution 14435
Ferreira, L.
Bock, Y.
Sandwell, D. T.
Guns, K. A.
Xu, X.
, & Thicklin, R. (2024, 09). Intra-Frame Deformation Model: Integrating InSAR and GNSS. Poster Presentation at 2024 SCEC Annual Meeting.
SCEC Contribution 14024
Floyd, M.
Tymofyeyeva, E.
Materna, K.
Bekaert, D.
Fielding, E. J.
Funning, G. J.
Gonzalez-Ortega, A.
Govorcin, M.
Guns, K. A.
Herring, T. A.
Liu, Z.
Sangha, S. S.
Shen, Z.
Wang, K.
Xu, X.
Su, M.
, &
Pauk, E.
(2024, 09). The Community Geodetic Model, Version 2.0.0: Current Status and Plans for Statewide. Poster Presentation at 2024 SCEC Annual Meeting.
SCEC Contribution 13936
Guns, K. A.
(2024, 09). Constraining Subsurface Slip of Shallow MW 4.8-6.0 Earthquakes Across California Using InSAR Stacking Methods. Poster Presentation at 2024 SCEC Annual Meeting.
SCEC Contribution 13930
Floyd, M.
, &
Guns, K. A.
(2023, 09). Tropospheric delay estimates for InSAR derived from Vienna Mapping Function products. Poster Presentation at 2023 SCEC Annual Meeting.
SCEC Contribution 13274
Tymofyeyeva, E.
Floyd, M.
Wang, K.
Guns, K. A.
Materna, K.
Liu, Z.
Funning, G. J.
Fielding, E. J.
Sandwell, D. T.
Bekaert, D.
Sangha, S. S.
Govorcin, M.
Gonzalez-Ortega, A.
, &
Xu, X.
(2023, 09). InSAR Community Geodetic Model Version 2: Moving beyond Ridgecrest. Poster Presentation at 2023 SCEC Annual Meeting.
SCEC Contribution 13253
Guns, K. A.
Xu, X.
Sandwell, D. T.
, &
Bock, Y.
(2023, 09). Investigating the Effects of the GACOS Tropospheric Correction on 6+ years of Integrated GNSS+InSAR Time Series Over the San Andreas Plate Boundary, California. Poster Presentation at 2023 SCEC Annual Meeting.
SCEC Contribution 13171
Sandwell, D. T.
Guns, K. A.
Xu, X.
Bock, Y.
, &
Smith-Konter, B. R.
(2023, 09). Estimates of Seismic Moment Accumulation Rate from Geodesy. Poster Presentation at 2023 SCEC Annual Meeting.
SCEC Contribution 13160
Tymofyeyeva, E.
Floyd, M.
Materna, K.
Funning, G. J.
Liu, Z.
Guns, K. A.
Xu, X.
Wang, K.
Sangha, S. S.
, &
Fielding, E. J.
(2022, 09). Updates and improvements of the consensus InSAR Community Geodetic Model. Poster Presentation at 2022 SCEC Annual Meeting.
SCEC Contribution 12571
Guns, K. A.
Xu, X.
Sandwell, D. T.
, &
Bock, Y.
(2022, 09). Investigating Active Crustal Deformation along the San Andreas Plate Boundary from 7+ Years of Combined Sentinel-1 InSAR + GNSS Time Series. Poster Presentation at 2022 SCEC Annual Meeting.
SCEC Contribution 12154
Tymofyeyeva, E.
Floyd, M.
Bekaert, D.
Funning, G. J.
Guns, K. A.
Liu, Z.
Materna, K.
Sandwell, D. T.
Wang, K.
, &
Xu, X.
(2021, 08). Community Geodetic Model: Current status of the consensus InSAR model for deformation time series and velocities in Southern California. Poster Presentation at 2021 SCEC Annual Meeting.
SCEC Contribution 11641
Bock, Y.
Moore, A. W.
Fang, P.
Golriz, D.
Argus, D. F.
Liu, Z.
Guns, K. A.
Xu, X.
Sandwell, D. T.
, Sullivan, A.,
Jiang, S.
, & Knox, A. (2021, 08). Geodetic Data, Data Products and Displacement Time Series Portal. Poster Presentation at 2021 SCEC Annual Meeting.
SCEC Contribution 11552
Bock, Y.
Moore, A. W.
Fang, P.
Golriz, D.
Argus, D. F.
Liu, Z.
Guns, K. A.
Xu, X.
Sandwell, D. T.
, Sullivan, A.,
Jiang, S.
, & Knox, A. (2021, 08). Geodetic Data, Data Products and Displacement Time Series Portal. Poster Presentation at 2021 SCEC Annual Meeting.
SCEC Contribution 11552
Guns, K. A.
Xu, X.
Sandwell, D. T.
, &
Bock, Y.
(2021, 08). Pre-, Co- and Postseismic GNSS-Corrected Sentinel-1 InSAR Time Series: Moving Beyond the 2019 Ridgecrest, CA Earthquake Sequence. Poster Presentation at 2021 SCEC Annual Meeting.
SCEC Contribution 11268
Guns, K. A.
, &
Bennett, R. A.
(2019, 08). Detecting and Reducing the Effects of Postseismic Deformation in Observed GPS Time Series Using a Hybrid Forward/Inverse Method in Southern California. Poster Presentation at 2019 SCEC Annual Meeting.
SCEC Contribution 9462
Guns, K. A.
Bennett, R. A.
Blisniuk, K. D.
, &
McGill, S. F.
(2018, 08). Investigating strain transfer along faults in Joshua Tree National Park, CA, with possible implications for along strike variations in southern San Andreas Fault slip rate. Poster Presentation at 2018 SCEC Annual Meeting.
SCEC Contribution 8490
Guns, K. A.
Bennett, R. A.
, &
Blisniuk, K. D.
(2017, 08). Investigating strain transfer along the Southern San Andreas Fault: A geomorphic and geodetic study of block rotation in the Eastern Transverse Ranges, Joshua Tree National Park, CA. Poster Presentation at 2017 SCEC Annual Meeting.
SCEC Contribution 7533
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