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  • Data analysis / ~ processing  (11)
  • Crustal deformation (cf. Earthquake precursor: deformation or strain)  (10)
  • E62
  • Seismic stratigraphy
  • Wave propagation
  • Kluwer  (15)
  • Wiley  (9)
  • 1
    Publication Date: 2017-04-04
    Description: We present the first application of a time reverse location method in a volcanic setting, for a family of long-period (LP) events recorded on Mt Etna. Results are compared with locations determined using a full moment tensor grid search inversion and cross-correlation method. From 2008 June 18 to July 3, 50 broad-band seismic stations were deployed on Mt Etna, Italy, in close proximity to the summit. Two families of LP events were detected with dominant spectral peaks around 0.9 Hz. The large number of stations close to the summit allowed us to locate all events in both families using a time reversal location method. The method involves taking the seismic signal, reversing it in time, and using it as a seismic source in a numerical seismic wave simulator where the reversed signals propagate through the numerical model, interfere constructively and destructively, and focus on the original source location. The source location is the computational cell with the largest displacement magnitude at the time of maximum energy current density inside the grid. Before we located the two LP families we first applied the method to two synthetic data sets and found a good fit between the time reverse location and true synthetic location for a known velocity model. The time reverse location results of the two families show a shallow seismic region close to the summit in agreement with the locations using a moment tensor full waveform inversion method and a cross-correlation location method.
    Description: Published
    Description: 452-462
    Description: 1.4. TTC - Sorveglianza sismologica delle aree vulcaniche attive
    Description: JCR Journal
    Description: reserved
    Keywords: Volcano seismology ; Computational seismology ; Wave propagation ; 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology ; 04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
    Publication Date: 2017-04-04
    Description: We investigate in detail the crustal layering of the ‘Val di Chiana Basin’ (Northern Apennines, Tuscany, Italy) through receiver functions and seismic anisotropy with hexagonal symmetry. The teleseismic data set is recorded in correspondence of a typical foreland basin resulting by the progressive eastward retreat of a regional-scale subduction zone trapped between two continents. We study the azimuthal variations of the computed and binned receiver functions associated to a harmonic angular analysis to emphasize the presence of the dipping and the anisotropic structures. The resulting S-wave velocity model shows interesting and new results for this area that we discuss in a regional geodynamic contest contributing to the knowledge of the structure of the forearc of the subduction zone. A dipping interface (N192°E strike, 18° dip) has been revealed at about 1.5 km depth, that separates the basin sediments and flysch from the carbonates and evaporites. Moreover, we interpret the two upper-crust anisotropic layers (at about 6 and 17 km depth) as the Hercynian Phyllites and Micaschists, of the Metamorphic Tuscan Basement. At relatively shallow depths, the presence of these metamorphic rocks causes the seismic anisotropy in the upper crust. The presence of shallow anisotropic layers is a new and interesting feature, first revealed in the study area. Beneath the crust–mantle transition (Moho), located about 28 km depth, our analysis reveals a 7-km-thick anisotropic layer.
    Description: Published
    Description: 545-556
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: reserved
    Keywords: Seismic anisotopy ; Computational Seismology ; Wave propagation ; Subduction zone process ; Crustal structure ; Europe ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
    Publication Date: 2017-04-04
    Description: We present the first application of a time reverse location method in a volcanic setting, for a family of long-period (LP) events recorded on Mt Etna. Results are compared with locations determined using a full moment tensor grid search inversion and cross-correlation method. From 2008 June 18 to July 3, 50 broad-band seismic stations were deployed on Mt Etna, Italy, in close proximity to the summit. Two families of LP events were detected with dominant spectral peaks around 0.9 Hz. The large number of stations close to the summit allowed us to locate all events in both families using a time reversal location method. The method involves taking the seismic signal, reversing it in time, and using it as a seismic source in a numerical seismic wave simulator where the reversed signals propagate through the numerical model, interfere constructively and destructively, and focus on the original source location. The source location is the computational cell with the largest displacement magnitude at the time of maximum energy current density inside the grid. Before we located the two LP families we first applied the method to two synthetic data sets and found a good fit between the time reverse location and true synthetic location for a known velocity model. The time reverse location results of the two families show a shallow seismic region close to the summit in agreement with the locations using a moment tensor full waveform inversion method and a cross-correlation location method.
    Description: In press
    Description: (11)
    Description: 1.4. TTC - Sorveglianza sismologica delle aree vulcaniche attive
    Description: JCR Journal
    Description: reserved
    Keywords: Volcano seismology ; Computational seismology ; Wave propagation ; 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology ; 04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
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    Kluwer
    In:  Dordrecht, 344 pp., Kluwer, vol. 20, no. Publ. No. 12, pp. 81-89, (ISBN 1-4020-1267-5 (hb), ISBN 1-4020-1268-3 (pb))
    Publication Date: 2004
    Keywords: Textbook of geophysics ; NOModelling ; GeodesyY ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; post-glacial ; Rheology ; Earth rotation ; Inelastic ; Seismology ; earth mantle ; post-seismic ; Dislocation
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  • 5
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    Wiley
    In:  Hoboken, NJ, 633 pp., Wiley, vol. 16B, no. 2, pp. 125-169, (ISBN 0-471-26610-8)
    Publication Date: 2003
    Keywords: Textbook of mathematics ; Data analysis / ~ processing ; Modelling ; software ; manual ; computer ; algebra ; symbolic ; mathematics
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  • 6
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    Kluwer
    In:  Dordrecht, 388 pp., Kluwer, vol. 26, no. Publ. No. 12, pp. 95-104, (ISBN: 1-4020-1592-5)
    Publication Date: 2003
    Description: Data assimilation is the combination of information from observations and models of a particular physical system in order to get the best possible estimate of the state of that system. The technique has wide applications across a range of earth sciences, a major application being the production of operational weather forecasts. Others include oceanography, atmospheric chemistry, climate studies, and hydrology. Data Assimilation for the Earth System is a comprehensive survey of both the theory of data assimilation and its application in a range of earth system sciences. Data assimilation is a key technique in the analysis of remote sensing observations and is thus particularly useful for those analysing the wealth of measurements from recent research satellites. This book is suitable for postgraduate students and those working on the application of data assimilation in meteorology, oceanography and other earth sciences.
    Keywords: Modelling ; Data analysis / ~ processing ; Textbook of geophysics ; Textbook of geology ; TBMeteorology
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  • 7
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    Kluwer
    In:  Dordrecht, 368 pp., Kluwer, vol. 70, pp. 71-83, (ISBN: 1-4020-0821-X)
    Publication Date: 2003
    Description: Preface. 1. Introduction; B. Boots, et al. Part I: Statistical models of spatial systems. Section A: Spatial statistics. 2. Geographic patterns of urban residential development; J. Lee. 3. Using local statistics for boundary characterization; B. Boots. 4. Local spatial interaction modelling based on the geographically weighted regression approach; T. Nakaya. Section B: Space-time analysis. 5. Understanding activity scheduling and rescheduling behaviour: theory and numerical illustration; Chang-Hyeon Joh, et al. 6. Geographical model of a self-organizing megalopolis with time-space convergence; I. Mizuno. 7. Epidemic modelling of HIV/AIDS transfers between eastern and western Europe; P. Smith, R. Thomas. Part II: Computational methods. Section A: Simulation models. 8. A spatial microsimulation model for social policy evaluation; D. Ballas, et al. 9. Analysis of the effect of land use patterns on the anthropogenic energy discharged from air conditioning and hot water supply using a modified CSU mesoscale model; T. Watanabe, et al. 10. Generalized Thuenen and Thuenen-Ricardo models for Asian land use; K. Konagaya. Section B: GIS models. 11. Balancing consensus and conflict with a GIS-based multi-participant, multi-criteria decision support tool; R. D. Feick, G. B. Hall. 12. Grid-based population distribution estimates from historical Japanese topographical maps using GIS: Y. Arai, S. Koike. 13. GIS modelling for rain-induced debris-flow hazards in a small watershed; S. Zhao, T. Tamura. Section C: The internet. 14. A geographical interpretation of cyberspace: preliminary analysis on the scaling tendency of information spaces; N. Shiode. 15. On modelling internet transactions as a time-dependent random walk: an application of the retail aggregate space-time trip (RASTT) model; R. G. V. Baker. 16. Development of disaster information network system in the Asian region: internet GIS for disaster information management; Y. Ogawa, et al. 17. Geographical conceptualization of cyberplaces; M. Takeyama.
    Keywords: Modelling ; Data analysis / ~ processing ; Textbook of geophysics ; Textbook of geology ; TBMeteorology
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  • 8
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    Kluwer
    In:  Dordrecht, 460 pp., Kluwer, vol. 17, pp. 225, (ISBN 1-4020-1408-2)
    Publication Date: 2003
    Description: Foreword. How to climb the gravity wall; R. Rummel. I: Precise orbit determination and gravity field modelling. Strategies for precise orbit determination of low earth orbiters using the Global Positioning System; U. Hugentobler, G. Beutler. Aiming at a 1 cm orbit for low earth orbiters: reduced-dynamic and kinematic precise orbit determination; P. N. A. M. Visser, J. van den Ijssel. Space-wise, time-wise, torus and Rosborough representations in gravity field modelling; N. Sneeuw. Gravity field recovery from GRACE: unique aspects of the high precision inter-satellite data and analysis methods; G. Balmino. Global gravity field recovery using solely Global Positioning System tracking and accelerometer data from CHAMP; C. Reigber, et al. The processing of band-limited measurements: filtering techniques in the least squares context and in the presence of data gaps; W.-D. Schuh. II: Solid earth physics. Long wavelength sea level and solis surface perturbations driven by polar ice mass variations: fingerprinting Greenland and Antarctic ice sheet flux; M. E. Tamisiea, et al. Benefits from GOCE within solid earth geophysics; A. M. Marotta. The potential of GOCE in constraining the structure of the crust and lithosphere from post-glacial rebound; L. L. A. Vermeersen. Deep and shallow solid-earth structures reconstructed with sequential integrated inversion (SII) of seismic and gravity data; R. Tondi, et al. Present-day sea level change: observations and causes; A. Cazenave, et al. III: Ocean circulation. Global ocean data assimilation and geoid measurements; C. Wunsch, D. Stammer. Resolution needed for an adequate determination of the mean ocean circulation from altimetry and an improved geoid; C. Le Provost, M. Bremond. Error characteristics estimated from CHAMP, GRACE and GOCE derived geoids and from satellite altimetry derived mean dynamic topography; E. J. O. Schrama. Estimating the high-resolution mean sea-surface velocity field by combined use of altimeter and drifter data for geoid model improvement; S. Imawaki, et al. Combined use of altimetry and in situ gravity data for coastal dynamics studies; K. Haines, et al. Feasibility and contribution to ocean circulation studies of ocean bottom pressure determination; C. W. Hughes, V. Stepanov. Impact of geoid improvement on ocean mass and heat transport estimates; P. Le Grand. How operational oceanography can benefit from dynamic topography estimates as derived from altimetry and improved geoid; P. Y. Le Traon, et al. IV: Geodesy. Remarks on the role of height datum in altimetry-gravity boundary-value problems; F. Sacerdote, F. Sanso. Ocean tides in GRACE monthly averaged gravity fields; P. Knudsen. Tidal models in a new era of satellite gravimetry; R. D. Ray, et al. The elusive stationary geoid; M. Vermeer. Geodetic methods for calibration of GRACE and GOCE; J. Bouman, R. Koop. V: Sea level. Benefits of GRACE and GOCE to sea level studies; P. Woodworth, J. M. Gregory. What might GRACE contribute to studies of post glacial rebound? J. Wahr, I. Velicogna. Measuring the distribution of ocean mass using GRACE; R. S. Nerem, et al. Monitoring changes in continental water storage with GRACE; S. Swenson, J. Wahr. VI: Future concepts. Attitude and drag control: an application to the GOCE satellite; E. Canuto, et al. On superconductive gravity gradiometry in space; S. Zarembinski. Satellite-satellite laser links for future gravity missions; P. L. Bender et al. Possible future use of laser gravity gradiometers; P. L. Bender, et al. MICROSCOPE instrument development lessons for GOCE; P. Touboul. Needs and tools for future gravity measuring missions; M. Aguirre-Martinez, N. Sneeuw. VII: Closing session. GOCE: first earth explorer core mission; M. R. Drinkwater, et al. Earth gravity field from space from senors to earth sciences: closing remarks; G. Beutler.
    Keywords: Textbook of geodesy ; Earth tides ; Least-squares ; Data analysis / ~ processing ; Geodesy ; Rheology ; Inelastic ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Gravimetry, Gravitation ; Modelling
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  • 9
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    Kluwer
    In:  Professional Paper, Integration of Earth Science Research on the Turkish and Greek 1999 Earthquakes, Dordrecht, Kluwer, vol. 24, no. 231, pp. 197-204, (ISBN: 3-540-23712-7)
    Publication Date: 2002
    Keywords: Modelling ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Digital elevation model ; InSAR ; optical ; aerial ; photographs ; remote ; sensing ; Goeruer ; Gorur ; Greece
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  • 10
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    Kluwer
    In:  Bull., Polar Proj. OP-O3A4, Integration of Earth Science Research on the Turkish and Greek 1999 Earthquakes, Dordrecht, Kluwer, vol. 20, no. 4, pp. 113-128, (ISBN 0080419208)
    Publication Date: 2002
    Keywords: Earthquake ; Tectonics ; Geol. aspects ; Site amplification ; rockfall ; landslide ; cracks and fractures (.NE. fracturing) ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Goeruer ; Gorur ; Greece
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  • 11
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    Kluwer
    In:  Dordrecht, Kluwer, vol. 10, no. Subvol. b, pp. 220, (ISBN 1-4020-0653-5)
    Publication Date: 2002
    Keywords: Textbook of geophysics ; Earthquake ; Seismology ; Tectonics ; Plate tectonics ; Strong motions ; Sea seismics ; Geol. aspects ; Tsunami(s) ; Earthquake catalog ; Seismicity ; Velocity depth profile ; Stress ; triggering ; Earthquake hazard ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geodesy ; Turkey ; Greece ; Goeruer ; Gorur
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  • 12
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    Kluwer
    In:  Professional Paper, Integration of Earth Science Research on the Turkish and Greek 1999 Earthquakes, Dordrecht, Kluwer, vol. 23, no. Subvol. b, pp. 1-15, (ISBN: 3-540-23712-7)
    Publication Date: 2002
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; surface ; rupture ; Source parameters ; Inversion ; seismic Moment ; release ; Seismology ; NAF ; Earthquake ; Oezaksoy ; Ozaksoy ; Goelcuek ; Golcuk ; Duezce ; Duzce ; Goekten ; Gokten ; Goeruer ; Gorur ; Adapazari ; Cemen ; Pinar
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  • 13
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    Kluwer
    In:  Bull., Open-File Rept., Integration of Earth Science Research on the Turkish and Greek 1999 Earthquakes, Dordrecht, Kluwer, vol. 54, no. 1, pp. 153-173, (ISBN 0080419208)
    Publication Date: 2002
    Keywords: Earthquake hazard ; historical ; Seismicity ; Geol. aspects ; Tectonics ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Review article ; Goeruer ; Gorur
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  • 14
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    Kluwer
    In:  Dordrecht, Kluwer, vol. 15, no. Publ. No. 12, pp. 23-40, (ISBN 1-4020-3326-5, VIII + 343 pp.)
    Publication Date: 2001
    Keywords: Textbook of geophysics ; digital signal analysis (also DSP) ; Data analysis / ~ processing ; Seismology ; Filter- ; Spectrum ; Waves ; exercises ; teaching
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  • 15
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    Kluwer
    In:  Earthquake Hazard and Seismic Risk Reduction, Dordrecht, Kluwer, vol. 37, no. 16, pp. 169-209, (ISBN 0080419208)
    Publication Date: 2000
    Keywords: Earthquake hazard ; Earthquake precursor: prediction research ; Project report/description ; Seismicity ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geochemistry ; Geomagnetics ; Strong motions
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  • 16
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    Kluwer
    In:  Dordrecht, Kluwer, vol. 53, no. Publ. No. 12, pp. 23-40, (ISBN 1-4020-3326-5, VIII + 343 pp.)
    Publication Date: 1996
    Keywords: Textbook of geophysics ; digital signal analysis (also DSP) ; Data analysis / ~ processing ; Seismology ; Filter- ; Spectrum ; Waves
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  • 17
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    Kluwer
    In:  Norwell, Kluwer, vol. 6, no. 3, pp. 2-203, (ISBN 0-7923-5692-6)
    Publication Date: 1994
    Keywords: Statistical investigations ; Textbook of geophysics ; Textbook of geology ; Data analysis / ~ processing
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  • 18
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    Kluwer
    In:  Geologie en Mijnbouw, Veldhoven, Kluwer, vol. 73, no. 2-4, pp. 605-620, pp. L05608, (ISSN: 1340-4202)
    Publication Date: 1993
    Keywords: Seismicity ; western ; Europe ; Earthquake ; Tectonics ; Geol. aspects ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Aftershocks ; Modelling ; Stress ; Fault plane solution, focal mechanism ; Source parameters ; Fore-shocks ; Surface waves ; Seismic networks ; Intensity ; Earthquake risk ; losses ; Strong motions ; Seismology ; Earthquake hazard ; liquefaction ; Engineering geophys. ; Radon ; Earthquake precursor: chemical (Rn, water(-level,...)
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  • 19
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    Kluwer
    In:  Dordrecht, Kluwer, vol. 20, no. 1, pp. 662-664, (ISBN 1-58488-320-0)
    Publication Date: 1990
    Keywords: Data analysis / ~ processing ; Seismics (controlled source seismology) ; Reflection seismics ; Handbook of geophysics
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  • 20
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    Wiley
    In:  New York, Wiley, vol. 2, no. XVI:, pp. 1-14, (ISBN 0-08-043751-6)
    Publication Date: 1986
    Keywords: Data analysis / ~ processing
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  • 21
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    Wiley
    In:  Chichester, Wiley, vol. 231, no. 3, pp. 2-203, (ISBN 0-470-02298-1)
    Publication Date: 1982
    Keywords: Data analysis / ~ processing ; Correlation ; Seismic stratigraphy ; Seismics (controlled source seismology)
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  • 22
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    Wiley
    In:  New York, 2nd Edition, 709 pp., Wiley, vol. 75, no. 2, pp. 2-203, (ISBN: 3-7643-7143-9)
    Publication Date: 1981
    Keywords: Correlation ; Data analysis / ~ processing ; fit ; Textbook of mathematics
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  • 23
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    Wiley
    In:  New York, Wiley, vol. 7, no. Publ. No. 12, pp. 127, (ISBN 1-58488-323-5)
    Publication Date: 1978
    Keywords: Seismic stratigraphy
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  • 24
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    Wiley
    In:  New York, 571 pp., Wiley, vol. 5, no. XVI:, pp. 1-14, (ISBN 0-89871-521-0)
    Publication Date: 1976
    Keywords: Structural geology ; Textbook of geology ; Stress ; Geol. aspects ; Crustal deformation (cf. Earthquake precursor: deformation or strain)
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