Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/6313
DC Field | Value | Language |
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dc.contributor.authorall | Piccinini, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.authorall | Di Bona, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia | en |
dc.contributor.authorall | Lucente, F. P.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione CNT, Roma, Italia | en |
dc.contributor.authorall | Levin, V.; Rutgers University | en |
dc.contributor.authorall | Park, J.; Yale University | en |
dc.date.accessioned | 2010-12-13T11:21:58Z | en |
dc.date.available | 2010-12-13T11:21:58Z | en |
dc.date.issued | 2010-09-14 | en |
dc.identifier.uri | http://hdl.handle.net/2122/6313 | en |
dc.description | An edited version of this paper was published by AGU. Copyright (2010) American Geophysical Union. | en |
dc.description.abstract | We analyze P and S wave spectra from moderate‐ to deep‐focus teleseisms recorded at the Retreating‐Trench, Extension, and Accretion Tectonics (RETREAT) temporary broadband seismic network to assess the variations of the Earth mantle attenuation in the northern Apennines region (Italy). For each earthquake, we compute the ratio between the spectrum at each station and the average spectrum, in order to estimate t* residuals (Δt*) from the spectral ratio decay. The number and distribution of the teleseisms useable for the P wave t* calculation allow for a gross azimuthal analysis; although the (Δt*) values at single station display, in most cases, azimuthal‐dependent fluctuations, their overall distribution shows a partition of the study region into two main areas, whose gross features remain almost unchanged over the whole azimuthal range. This partition is confirmed by the S wave t* mean values, computed for each station over the set of useable events. We distinguish a relatively high attenuation area on the western, Tyrrhenian side and a relatively low attenuation area on the eastern, Adriatic side. By correlating our Δt* estimates and the velocity structure derived from the existing tomographic models, we compute the ranges of possible P and S wave Q values in the mantle wedge above the Apennines slab (on the Tyrrhenian side) and in the asthenosphere below the Adriatic region. Furthermore, the determined attenuation properties are used to draw some inferences on the thermal state of the uppermost mantle and on the physical properties of the tectonic elements, which constitute the subduction system in the region. | en |
dc.language.iso | English | en |
dc.publisher.name | AGU | en |
dc.relation.ispartof | Journal of Geophysical Research | en |
dc.relation.ispartofseries | /115 (2010) | en |
dc.subject | Northern Apennine | en |
dc.subject | Slab | en |
dc.subject | RETREAT | en |
dc.subject | attenuation | en |
dc.subject | mantle | en |
dc.title | Seismic attenuation and mantle wedge temperature in the northern Apennine subtuction zone (Italy) from teleseismic body wave spectra. | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.description.pagenumber | B09309 | en |
dc.subject.INGV | 04. Solid Earth::04.01. Earth Interior::04.01.03. Mantle and Core dynamics | en |
dc.subject.INGV | 04. Solid Earth::04.01. Earth Interior::04.01.05. Rheology | en |
dc.subject.INGV | 04. Solid Earth::04.02. Exploration geophysics::04.02.06. Seismic methods | en |
dc.subject.INGV | 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics | en |
dc.identifier.doi | 10.1029/2009JB007180 | en |
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Ferrari, L., Conticelli, S., Burlamacchi, L. and Manetti, P., 1996, Volcanological evolution of the Monte Amiata, Southern Tuscany: New geological and petrochemical data, Acta Vulcanologica, 8, 41-56. Haberland, C., and A. Rietbrock (2001), Attenuation tomography in the western central Andes: A detailed insight into the structure of a magmatic arc, J. Geophys. Res., 106, 11,151–11,167. Jackson, I., M. S. Paterson, and J. D. F. Gerald (1992), Seismic wave dispersion and attenuation in Aheim dunite: An experimental study, Geophys. J. Int., 108, 517– 534. Jackson, I., J. D. FitzGerald, U. H. Faul, and B. H. Tan (2002), Grain-size-sensitive seismic wave attenuation in polycrystalline olivine, J. Geophys. Res., 107(B12), 2360, doi:10.1029/2001JB001225. Karato, S., and H. A. Spetzler (1990), Defect microdynamics in minerals and solid-state mechanisms of seismic wave attenuation and velocity dispersion in the mantle, Rev. Geophys., 28, 399– 421. Karato, S. (2003), Mapping water content in the upper mantle, in Inside the Subduction Factory, Geophys. Monogr. Ser., vol. 138, edited by J. M. Eiler, pp. 135–152, AGU, Washington, D. C. Kern, H., B. Liu, and P. Till (1997), Relationship between anisotropy of P and S wave velocities and anisotropy of attenuation in serpentinite and amphibole, J. Geophys. Res., 102(B2), 3051–3065, doi:10.1029/96JB03392. Lawrence, J. F., D. A. Wiens, A. A. Nyblade, S. Anandakrishan, P. J. Shore, and D. Voigt (2006), Upper mantle thermal variations beneath the Transantarctic Mountains inferred from teleseismic S-wave attenuation, Geophys. Res. Lett., 33, L03303, doi:10.1029/2005GL024516. Nakajima, J., and A. Hasegawa, Estimation of thermal structure in the mantle wedge of northeastern Japan from seismic attenuation data, Geophys. Res. Lett., 30(14), 1760, doi:10.1029/ 2003GL017185, 2003. Oki, S., and P. M. Shearer (2008), Mantle Q structure from S-P differential attenuation measurements, J. Geophys. Res., 113, B12308, doi:10.1029/2007JB005567. Piromallo, C., and A. Morelli (2003), P wave tomography of the mantle under the Alpine- Mediterranean area, J. Geophys. Res., 108(B2), 2065, doi:10.1029/2002JB001757. Rychert, C. A., K. M. Fischer, G. A. Abers, T. Plank, E. Syracuse, J. M. Protti, V. Gonzalez, and W. Strauch (2008), Strong along-arc variations in attenuation in the mantle wedge beneath Costa Rica and Nicaragua, Geochem. Geophys. Geosyst., 9, Q10S10, doi:10.1029/2008GC002040. Sato, H., I. Sacks, T. Murase, G. Muncill, and H. Fukuyama (1989), Qp-melting temperature relation in peridoite at high pressure and temperature: Attenuation mechanism and implications for the mechanical properties of the upper mantle, J. Geophys. Res., 94, 10,647– 10,661. Serri, G., Innocenti, F., and Manetti, P., 1993, Geochemical and petrological evidence of the subduction of deliminated Adriatic continental lithosphere in the genesis of the Neogene- Quaternary magmatism of central Italy: Tectonophysics, v. 223, p. 117–147, doi: 10.1016/0040-1951(93)90161-C. Speranza, F., and M. Chiappini, Thick-skinned tectonics in the external Apennines, Italy: New evidence from magnetic anomaly analysis, J. Geophys. Res., 107(B11), 2290, doi:10.1029/2000JB000027, 2002. Stachnik, J. C., G. A. Abers, and D. H. Christensen (2004), Seismic attenuation and mantle wedge temperatures in the Alaska subduction zone, J. Geophys. Res., 109, B10304, doi:10.1029/2004JB003018. Takanami, T., S. Sacks, and A. Hasegawa (2000), Attenuation structure beneath the volcanic front in northeastern Japan from broad-band seismograms, Phys. Earth Planet. Inter., 121, 339–357. Tsumura, N., S. Matsumoto, S. Horiuchi, and A. Hasegawa, Three-dimensional attenuation structure beneath the northeastern Japan arc estimated from spectra of small earthquakes, Tectonophysics, 319, 241–260, 2000. VanDecar, J. C., and R. S. Crosson (1990), Determination of teleseismic relative phase arrival times using multi-channel cross-correlation and least squares, Bull. Seismol. Soc. Am, 80(1),150-169. Venkataraman, A., A. A. Nyblade, and J. Ritsema (2004), Upper mantle Q and thermal structure beneath Tanzania, East Africa from teleseismic P wave spectra, Geophys. Res. Lett., 31, L15611, doi:10.1029/2004GL020351. | en |
dc.description.obiettivoSpecifico | 3.3. Geodinamica e struttura dell'interno della Terra | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | reserved | en |
dc.contributor.author | Piccinini, D. | en |
dc.contributor.author | Di Bona, M. | en |
dc.contributor.author | Lucente, F. P. | en |
dc.contributor.author | Levin, V. | en |
dc.contributor.author | Park, J. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia | en |
dc.contributor.department | Rutgers University | en |
dc.contributor.department | Yale University | en |
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 Pisa, Pisa, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia | - |
crisitem.author.orcid | 0000-0002-1826-646X | - |
crisitem.author.orcid | 0000-0002-2273-326X | - |
crisitem.author.orcid | 0000-0002-8717-1720 | - |
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.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
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 | - |
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2009JB007180.pdf | 1.93 MB | Adobe PDF |
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