Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data
Abstract We investigate a large geodetic data set of interferometric synthetic aperture radar (InSAR) and GPS measurements to determine the source parameters for the three main shocks of the 2016 Central Italy earthquake sequence on 24 August and 26 and 30 October (Mw 6.1, 5.9, and 6.5, respectively...
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| Language: | English |
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Wiley
2017-07-01
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| Series: | Geophysical Research Letters |
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| Online Access: | https://doi.org/10.1002/2017GL073580 |
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| author | D. Cheloni V. De Novellis M. Albano A. Antonioli M. Anzidei S. Atzori A. Avallone C. Bignami M. Bonano S. Calcaterra R. Castaldo F. Casu G. Cecere C. De Luca R. Devoti D. Di Bucci A. Esposito A. Galvani P. Gambino R. Giuliani R. Lanari M. Manunta M. Manzo M. Mattone A. Montuori A. Pepe S. Pepe G. Pezzo G. Pietrantonio M. Polcari F. Riguzzi S. Salvi V. Sepe E. Serpelloni G. Solaro S. Stramondo P. Tizzani C. Tolomei E. Trasatti E. Valerio I. Zinno C. Doglioni |
| author_facet | D. Cheloni V. De Novellis M. Albano A. Antonioli M. Anzidei S. Atzori A. Avallone C. Bignami M. Bonano S. Calcaterra R. Castaldo F. Casu G. Cecere C. De Luca R. Devoti D. Di Bucci A. Esposito A. Galvani P. Gambino R. Giuliani R. Lanari M. Manunta M. Manzo M. Mattone A. Montuori A. Pepe S. Pepe G. Pezzo G. Pietrantonio M. Polcari F. Riguzzi S. Salvi V. Sepe E. Serpelloni G. Solaro S. Stramondo P. Tizzani C. Tolomei E. Trasatti E. Valerio I. Zinno C. Doglioni |
| author_sort | D. Cheloni |
| collection | DOAJ |
| description | Abstract We investigate a large geodetic data set of interferometric synthetic aperture radar (InSAR) and GPS measurements to determine the source parameters for the three main shocks of the 2016 Central Italy earthquake sequence on 24 August and 26 and 30 October (Mw 6.1, 5.9, and 6.5, respectively). Our preferred model is consistent with the activation of four main coseismic asperities belonging to the SW dipping normal fault system associated with the Mount Gorzano‐Mount Vettore‐Mount Bove alignment. Additional slip, equivalent to a Mw ~ 6.1–6.2 earthquake, on a secondary (1) NE dipping antithetic fault and/or (2) on a WNW dipping low‐angle fault in the hanging wall of the main system is required to better reproduce the complex deformation pattern associated with the greatest seismic event (the Mw 6.5 earthquake). The recognition of ancillary faults involved in the sequence suggests a complex interaction in the activated crustal volume between the main normal faults and the secondary structures and a partitioning of strain release. |
| format | Article |
| id | doaj-art-8db0050b33494fc991c3f78f39e4e1f6 |
| institution | Kabale University |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2017-07-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-8db0050b33494fc991c3f78f39e4e1f62025-08-20T03:49:46ZengWileyGeophysical Research Letters0094-82761944-80072017-07-0144136778678710.1002/2017GL073580Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS dataD. Cheloni0V. De Novellis1M. Albano2A. Antonioli3M. Anzidei4S. Atzori5A. Avallone6C. Bignami7M. Bonano8S. Calcaterra9R. Castaldo10F. Casu11G. Cecere12C. De Luca13R. Devoti14D. Di Bucci15A. Esposito16A. Galvani17P. Gambino18R. Giuliani19R. Lanari20M. Manunta21M. Manzo22M. Mattone23A. Montuori24A. Pepe25S. Pepe26G. Pezzo27G. Pietrantonio28M. Polcari29F. Riguzzi30S. Salvi31V. Sepe32E. Serpelloni33G. Solaro34S. Stramondo35P. Tizzani36C. Tolomei37E. Trasatti38E. Valerio39I. Zinno40C. Doglioni41Istituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto Superiore per la Protezione e la Ricerca Ambientale Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyDipartimento della Protezione Civile Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Superiore per la Protezione e la Ricerca Ambientale Rome ItalyDipartimento della Protezione Civile Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyDipartimento della Protezione Civile Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyDipartimento di Scienze della Terra Università degli Studi di Roma “La Sapienza” Rome ItalyIstituto per il Rilevamento Elettromagnetico dell'Ambiente‐Consiglio Nazionale delle Ricerche Naples ItalyIstituto Nazionale di Geofisica e Vulcanologia Rome ItalyAbstract We investigate a large geodetic data set of interferometric synthetic aperture radar (InSAR) and GPS measurements to determine the source parameters for the three main shocks of the 2016 Central Italy earthquake sequence on 24 August and 26 and 30 October (Mw 6.1, 5.9, and 6.5, respectively). Our preferred model is consistent with the activation of four main coseismic asperities belonging to the SW dipping normal fault system associated with the Mount Gorzano‐Mount Vettore‐Mount Bove alignment. Additional slip, equivalent to a Mw ~ 6.1–6.2 earthquake, on a secondary (1) NE dipping antithetic fault and/or (2) on a WNW dipping low‐angle fault in the hanging wall of the main system is required to better reproduce the complex deformation pattern associated with the greatest seismic event (the Mw 6.5 earthquake). The recognition of ancillary faults involved in the sequence suggests a complex interaction in the activated crustal volume between the main normal faults and the secondary structures and a partitioning of strain release.https://doi.org/10.1002/2017GL073580Coseismic ground deformation2016 Central Italy earthquakeInSAR and GPS dataanalytical modeling |
| spellingShingle | D. Cheloni V. De Novellis M. Albano A. Antonioli M. Anzidei S. Atzori A. Avallone C. Bignami M. Bonano S. Calcaterra R. Castaldo F. Casu G. Cecere C. De Luca R. Devoti D. Di Bucci A. Esposito A. Galvani P. Gambino R. Giuliani R. Lanari M. Manunta M. Manzo M. Mattone A. Montuori A. Pepe S. Pepe G. Pezzo G. Pietrantonio M. Polcari F. Riguzzi S. Salvi V. Sepe E. Serpelloni G. Solaro S. Stramondo P. Tizzani C. Tolomei E. Trasatti E. Valerio I. Zinno C. Doglioni Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data Geophysical Research Letters Coseismic ground deformation 2016 Central Italy earthquake InSAR and GPS data analytical modeling |
| title | Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data |
| title_full | Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data |
| title_fullStr | Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data |
| title_full_unstemmed | Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data |
| title_short | Geodetic model of the 2016 Central Italy earthquake sequence inferred from InSAR and GPS data |
| title_sort | geodetic model of the 2016 central italy earthquake sequence inferred from insar and gps data |
| topic | Coseismic ground deformation 2016 Central Italy earthquake InSAR and GPS data analytical modeling |
| url | https://doi.org/10.1002/2017GL073580 |
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