Frontal compression along the Apennines thrust system: The Emilia 2012 example from seismicity to crustal structure

Chiarabba, C.; Gori, Pasquale De; Improta, Luigi; Lucente, Francesco Pio; Moretti, Milena; Govoni, Aladino; Bona, M. Di; Margheriti, Lucia; Marchetti, A.; Nardi, Anna

doi:10.1016/j.jog.2014.09.003

Cited by 25 publications

(50 citation statements)

References 47 publications

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“…In the horizontal planes, we chose a grid with cells of 5 km × 5 km. After six iterations, a suitable 3D model was obtained, with a variance reduction of 67% and a final weighted RMS of 0.17 s. Both RMS and variance reduction values are comparable with those recently obtained by Chiarabba et al (2014), at 0.17 s and 76%, respectively.…”

Section: One-dimensional and Three-dimensional Local Velocity Modelssupporting

confidence: 81%

“…Unlike other recent contributions which have assumed continuing deformation along the geological structures formed in the Pliocene (Bonini et al, 2014;Burrato et al, 2012;Lavecchia et al, 2012;Malagnini et al, 2012;Ventura and Digiovambattista, 2013), we show that a relevant role is played by pre-existing and reactivated extensional faults that appear to be of Mesozoic age. A partly similar conclusion was presented recently by Chiarabba et al (2014), even if there is difficulty, in our opinion, for the co-existence of thin-skinned and thick-skinned active deformation that was proposed to be consistent with the regional tectonic framework.…”

supporting

confidence: 89%

“…This is sufficiently accurate for the deeper layer at 16 km, where in spite of the moderately higher SF, in some areas low smearing was still evident. The resolution analysis appears to be in good agreement with that of Chiarabba et al (2014), even though the lack of the 15 km depth did not allow a complete comparison.…”

Section: One-dimensional and Three-dimensional Local Velocity Modelsmentioning

confidence: 65%

“…Overall, the available dataset allowed us to work using a number of events (and detected phases) that were double those used in the recent report in the same issue (e.g., Chiarabba et al, 2014;. In particular, the higher number of data allowed us to reliably investigate depths up to about 15 km.…”

Section: Earthquake Datasets and Data Processingmentioning

confidence: 99%

See 3 more Smart Citations

The May 20 (MW 6.1) and 29 (MW 6.0), 2012, Emilia (Po Plain, northern Italy) earthquakes: New seismotectonic implications from subsurface geology and high-quality hypocenter location

et al. 2015

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Section: One-dimensional and Three-dimensional Local Velocity Modelssupporting

confidence: 81%

supporting

confidence: 89%

Section: One-dimensional and Three-dimensional Local Velocity Modelsmentioning

confidence: 65%

Section: Earthquake Datasets and Data Processingmentioning

confidence: 99%

See 2 more Smart Citations

The May 20 (MW 6.1) and 29 (MW 6.0), 2012, Emilia (Po Plain, northern Italy) earthquakes: New seismotectonic implications from subsurface geology and high-quality hypocenter location

et al. 2015

Self Cite

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“…3a). The 20th and 29th May 2012 main shocks and aftershocks seismic sequence concentrated within the Mesozoic-Tertiary carbonates [58] below the terrigenous sedimentary cover, compatibly with the reactivation of pre-existing normal faults inherited from the previous Mesozoic extensional tectonics [59]. The few epicenters located in the area of interest generally have a depth between 25 and 30 km, possibly addressable to deep transverse structures perpendicular to the chain elongation (sensu [60]), sensibly far from the depths of the sedimentary units target of this evaluation.…”

Section: Geological and Seismotectonic Backgroundmentioning

confidence: 91%

Algorithms for CO2 Storage Capacity Estimation: Review and Case Study

Cantucci

Buttinelli

Procesi

et al. 2016

Geologic Carbon Sequestration

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The estimation of CO 2 storage capacity in deep geologic formations is a pre-requisite for an efficient and safe application of Carbon Capture and Storage (CCS). The evaluation of storage resources for CO 2 geological sequestration is a challenging task and has been tackled using several static algorithms and dynamic methods, on a variety of scales ranging from country to site-specific. The purpose of this study is to present an up-to-date as well as an overall review of the storage capacity algorithms for oil and gas reservoirs, coal seams, and deep saline aquifers, including some worldwide estimation examples. Moreover, a practical application at local scale was also performed for an Italian deep reservoir located in the Po Plain (Northern Italy). The effective storage capacities were obtained applying the commonly established static methods, using both the theoretical and the geocellular volume of the reservoir. Although a conservative approach, this study demonstrates that the selected structure has favorable characteristics for CO 2 geological storage and has the capacity to host the most part of the Po Plain CO 2 emissions for several decades.

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New insights into fault activation and stress transfer between en echelon thrusts: The 2012 Emilia, Northern Italy, earthquake sequence

et al. 2016

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Here we present the results of the inversion of a new geodetic data set covering the 2012 Emilia seismic sequence and the following 1 year of postseismic deformation. Modeling of the geodetic data together with the use of a catalog of 3‐D relocated aftershocks allows us to constrain the rupture geometries and the coseismic and postseismic slip distributions for the two main events (Mw 6.1 and 6.0) of the sequence and to explore how these thrust events have interacted with each other. Dislocation modeling reveals that the first event ruptured a slip patch located in the center of the Middle Ferrara thrust with up to 1 m of reverse slip. The modeling of the second event, located about 15 km to the southwest, indicates a main patch with up to 60 cm of slip initiated in the deeper and flatter portion of the Mirandola thrust and progressively propagated postseismically toward the top section of the rupture plane, where most of the aftershocks and afterslip occurred. Our results also indicate that between the two main events, a third thrust segment was activated releasing a pulse of aseismic slip equivalent to a Mw 5.8 event. Coulomb stress changes suggest that the aseismic event was likely triggered by the preceding main shock and that the aseismic slip event probably brought the second fault closer to failure. Our findings show significant correlations between static stress changes and seismicity and suggest that stress interaction between earthquakes plays a significant role among continental en echelon thrusts.

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Frontal compression along the Apennines thrust system: The Emilia 2012 example from seismicity to crustal structure

Cited by 25 publications

References 47 publications

The May 20 (MW 6.1) and 29 (MW 6.0), 2012, Emilia (Po Plain, northern Italy) earthquakes: New seismotectonic implications from subsurface geology and high-quality hypocenter location

The May 20 (MW 6.1) and 29 (MW 6.0), 2012, Emilia (Po Plain, northern Italy) earthquakes: New seismotectonic implications from subsurface geology and high-quality hypocenter location

Algorithms for CO2 Storage Capacity Estimation: Review and Case Study

New insights into fault activation and stress transfer between en echelon thrusts: The 2012 Emilia, Northern Italy, earthquake sequence

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