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22 results on '"Carnemolla, F."'

3. 3D modelling of Quaternary faults in Southern Calabria

Author

Giuffrida, S., Brighenti, F., Carnemolla, F., De Guidi, G., Barreca, G., and Monaco, C.

Subjects
Active-tectonic,seismogenic-faults,Calabria,3d-modelling, seismogenic-faults, 3d-modelling, Calabria, Active-tectonic
Published
2022

16. Possible unslipped segments in the M. Vettore Fault System

Author

De Guidi, G., Vecchio, A., Barreca, G., Brighenti, F., Caputo, R., Carnemolla, F., Di Pietro, A., Lupo, M., Maggini, M., Marchese, S., Messina, D., Monaco, C., and Naso, S.

Subjects
geodesy, active tectonics, seismotectonics, active tectonics, geodesy, Ambientale, seismotectonics
Published
2017

20. Recent Activity and Kinematics of the Bounding Faults of the Catanzaro Trough (Central Calabria, Italy): New Morphotectonic, Geodetic and Seismological Data

Author

Carmelo Monaco, C. Pirrotta, Fabrizio Pepe, Graziella Barberi, Luciano Scarfì, Fabio Brighenti, Francesco Carnemolla, Giorgio De Guidi, Giovanni Barreca, Pirrotta C., Barberi G., Barreca G., Brighenti F., Carnemolla F., De Guidi G., Monaco C., Pepe F., and Scarfi L.

Subjects
geography, QE1-996.5, geography.geographical_feature_category, Trough (geology), Magnitude (mathematics), Morphotectonics, Context (language use), Geology, Fault (geology), Induced seismicity, Fault scarp, Calabrian Arc, Graben, instrumental seismicity, morphotectonics, General Earth and Planetary Sciences, geodetic data, Seismology
Abstract

A multidisciplinary work integrating structural, geodetic and seismological data was performed in the Catanzaro Trough (central Calabria, Italy) to define the seismotectonic setting of this area. The Catanzaro Trough is a structural depression transversal to the Calabrian Arc, lying in-between two longitudinal grabens: the Crati Basin to the north and the Mesima Basin to the south. The investigated area experienced some of the strongest historical earthquakes of Italy, whose seismogenic sources are still not well defined. We investigated and mapped the major WSW–ENE to WNW–ESE trending normal-oblique Lamezia-Catanzaro Fault System, bounding to the north the Catanzaro Trough. Morphotectonic data reveal that some fault segments have recently been reactivated since they have displaced upper Pleistocene deposits showing typical geomorphic features associated with active normal fault scarps such as triangular and trapezoidal facets, and displaced alluvial fans. The analysis of instrumental seismicity indicates that some clusters of earthquakes have nucleated on the Lamezia-Catanzaro Fault System. In addition, focal mechanisms indicate the prevalence of left-lateral kinematics on E–W roughly oriented fault plains. GPS data confirm that slow left-lateral motion occurs along this fault system. Minor north-dipping normal faults were also mapped in the southern side of the Catanzaro Trough. They show eroded fault scarps along which weak seismic activity and negligible geodetic motion occur. Our study highlights that the Catanzaro Trough is a poliphased Plio-Quaternary extensional basin developed early as a half-graben in the frame of the tear-faulting occurring at the northern edge of the subducting Ionian slab. In this context, the strike-slip motion contributes to the longitudinal segmentation of the Calabrian Arc. In addition, the high number of seismic events evidenced by the instrumental seismicity, the macroseismic intensity distribution of the historical earthquakes and the scaling laws relating to earthquakes and seismogenic faults support the hypothesis that the Lamezia-Catanzaro Fault System may have been responsible for the historical earthquakes since it is capable of triggering earthquakes with magnitude up to 6.9.

Published
2021

21. QUIN 2.0 - new release of the QUaternary fault strain INdicators database from the Southern Apennines of Italy.

Author

Lavecchia G, Bello S, Andrenacci C, Cirillo D, Pietrolungo F, Talone D, Ferrarini F, de Nardis R, Galli P, Faure Walker J, Sgambato C, Menichetti M, Monaco C, Gambino S, De Guidi G, Barreca G, Carnemolla F, Brighenti F, Giuffrida S, Pirrotta C, Carboni F, Ferranti L, Valoroso L, Toscani G, Barchi MR, Roberts G, and Brozzetti F

Abstract

QUIN database integrates and organizes structural-geological information from published and unpublished sources to constrain deformation in seismotectonic studies. The initial release, QUIN1.0, comprised 3,339 Fault Striation Pairs, mapped on 445 sites exposed along the Quaternary faults of central Italy. The present Data Descriptor introduces the QUIN 2.0 release, which includes 4,297 Fault Striation Pairs on 738 Structural Sites from southern Italy. The newly investigated faults span ~500 km along the Apennines chain, with strikes transitioning from ~SE to ~SW and comprehensively details Fault Striation Pairs' location, attitude, kinematics, and deformation axes. Additionally, it offers a shapefile of the fault traces hosting the data. The QUIN 2.0 release offers a significant geographic extension to the QUIN 1.0, with comprehensive description of local geometric-kinematic complexities of the regional pattern. The QUIN data may be especially relevant for constraining intra-Apennine potential seismogenic deformation patterns, where earthquake data only offer scattered or incomplete information. QUIN's data will support studies aimed at enhancing geological understanding, hazard assessment and comprehension of fault rupture propagation and barriers., (© 2024. The Author(s).)

Published
2024
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22. EVOO Polyphenols Exert Anti-Inflammatory Effects on the Microglia Cell through TREM2 Signaling Pathway.

Author

Leri M, Vasarri M, Carnemolla F, Oriente F, Cabaro S, Stio M, Degl'Innocenti D, Stefani M, and Bucciantini M

Abstract

In Alzheimer's disease (AD), microglia, brain resident immune cells, become chronically inflammatory and neurotoxic. In recent years, neuroinflammation has attracted particular interest in the scientific community. The genetic variants of molecules associated with ''microgliopathies'', including the triggering receptor expressed in myeloid cells-2 (TREM2), result in increased risk of developing AD and cognitive decline. We performed a set of in vitro assays using human neuronal (SH-SY5Y) and microglial (BV2 and C13NJ) cell models. Cells were differentially treated with extra virgin olive oil (EVOO) polyphenols, oleuropein aglycone (OleA) and hydroxytyrosol (HT) before adding LPS. We evaluated the protective effects of these EVOO products by a set of biochemical and cell biology assays, including ELISA, MTT, ROS detection, Western blotting and immunofluorescence. Our results provide an integrated understanding of the neuroprotection exerted by polyphenols in terms of: (i) reduction of pro-inflammatory cytokines release (IL-6, IL-8, IP-10 and RANTES); (ii) activation of the TREM2-dependent anti-inflammatory pathway; (iii) enhancement of protective microglial activity favoring the M2 polarization phenotype. Such findings provide new and important insights into the mechanisms by which the dietary olive polyphenols exert beneficial properties against neuroinflammation and neuronal impairment.

Published
2023
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