Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/14315
DC Field | Value | Language |
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dc.date.accessioned | 2021-01-22T09:05:20Z | - |
dc.date.available | 2021-01-22T09:05:20Z | - |
dc.date.issued | 2020 | - |
dc.identifier.uri | http://hdl.handle.net/2122/14315 | - |
dc.description.abstract | In volcanic areas, accurate localization of earthquakes requires detailed velocity and, possibly, attenuation models, taking into account wide lithological variability and high geothermal gradients. Ischia island (Campania region, Italy) is a seismically-active volcano recently affected by a Mw 3.9 event (Casamicciola, August 21, 2017, 1 km depth). Due to the lack of a specific velocity model, the earthquakes occurred on the island were localized using the one developed for the nearby Campi Flegrei caldera. The aim of this work is the definition of a mean representative 1D shear-wave velocity (Vs) and attenuation (Q) model of the shallower crust (up to 2 km depth) of Ischia. Seismic noise array and spectral ratios techniques were applied to broad band seismic signals recorded by temporary and permanent networks updated after the August 2017 earthquake. The values of both shear-wave velocity (Vs) and quality factor (Q) are realistic, with Q values comparable with those obtained for Campi Flegrei and Stromboli volcanic areas. By taking into account stratigraphic information from deep wells and ultrasonic measurements of velocity on granite and trachytic lava samples, a geological interpretation of the resulting velocity model is provided. Such a model can have significant implications for understanding the dynamics of a volcano, mainly those leading to seismic activity. | en_US |
dc.language.iso | English | en_US |
dc.publisher.name | Elsevier | en_US |
dc.relation.ispartof | Journal Volcanology and Geothermal Research | en_US |
dc.relation.ispartofseries | /401 (2020) | en_US |
dc.rights | CC0 1.0 Universal | * |
dc.rights.uri | http://creativecommons.org/publicdomain/zero/1.0/ | * |
dc.subject | Ischia volcanic island | en_US |
dc.subject | Shear wave velocity model | en_US |
dc.subject | Seismic attenuation | en_US |
dc.subject | Seismic noise | en_US |
dc.title | Shear wave velocity and attenuation structure of Ischia island using broad band seismic noise records | en_US |
dc.type | article | en |
dc.description.status | Published | en_US |
dc.type.QualityControl | Peer-reviewed | en_US |
dc.description.pagenumber | 106970 | en_US |
dc.subject.INGV | Velocity and Attenuation model | en_US |
dc.identifier.doi | 10.1016/j.jvolgeores.2020.106970 | en_US |
dc.description.obiettivoSpecifico | 1T. Struttura della Terra | en_US |
dc.description.journalType | JCR Journal | en_US |
dc.contributor.author | Nardone, Lucia | - |
dc.contributor.author | Manzo, Roberto | - |
dc.contributor.author | Galluzzo, Danilo | - |
dc.contributor.author | Pilz, Marco | - |
dc.contributor.author | Carannante, Simona | - |
dc.contributor.author | Di Maio, Rosa | - |
dc.contributor.author | Orazi, Massimo | - |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | en_US |
dc.contributor.department | DISTAR - Unina- Naples | en_US |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | en_US |
dc.contributor.department | GFZ German Research Center for Geosciences, Helmholtzstr. 7, 14467 Potsdam, Germany | en_US |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia | en_US |
dc.contributor.department | DISTAR - Unina- Naples | en_US |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | en_US |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Università degli studi di Napoli Federico II- Distar | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.dept | Helmholtz Centre Potsdam GFZ | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia | - |
crisitem.author.dept | Dipartimento di Scienze Fisiche, Università «Federico II», Napoli, Italy | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia | - |
crisitem.author.orcid | 0000-0002-5825-3604 | - |
crisitem.author.orcid | 0000-0002-8952-9271 | - |
crisitem.author.orcid | 0000-0002-8575-579X | - |
crisitem.author.orcid | 0000-0002-5209-2221 | - |
crisitem.author.orcid | 0000-0003-2772-2989 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Article published / in press |
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Ischia_Velocity_Attenuation_2020.pdf | Restricted Paper | 5.22 MB | Adobe PDF | |
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