Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/8199| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Ugurhan, B.; METU, ANKARA, TURKEY | en |
| dc.contributor.authorall | Askan, A.; METU, ANKARA,TURKEY | en |
| dc.contributor.authorall | Akinci, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
| dc.contributor.authorall | Malagnini, L.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
| dc.date.accessioned | 2012-10-15T09:07:12Z | en |
| dc.date.available | 2012-10-15T09:07:12Z | en |
| dc.date.issued | 2012 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/8199 | en |
| dc.description.abstract | On 6 April 2009, an earthquake of Mw 6:13 (Herrmann et al., 2011) occurred in central Italy, close to the town of L’Aquila. Although the earthquake is considered to be a moderate-size event, it caused extensive damage to the surrounding area. The earthquake is identified with significant directivity effects: highamplitude, short-duration motions are observed at the stations that are oriented along the rupture direction, whereas low-amplitude, long-duration motions are observed at the stations oriented in the direction opposite to the rupture. The complex nature of the earthquake combined with its damage potential brings the need for studies that assess the seismological characteristics of the 2009 L’Aquila mainshock. In this study, we present the strong-ground-motion simulation of this particular earthquake using a stochastic finite-fault model with a dynamic corner frequency approach. For modeling the resulting ground motions, we choose two finite-fault source models that take into account the source complexity of the L’Aquila mainshock. In order to test the sensitivity of ground-motion parameters to the seismic wave attenuation parameters, we use two different attenuation models obtained in the study region using weak-motion and strong-motion databases. Comparisons are made between the attenuation of synthetics and ground-motion prediction equations (GMPEs). Synthetic ground motions are further compared with the observed ones in terms of Fourier amplitude and response spectra at 21 strong-ground-motion stations that recorded the mainshock within an epicentral distance of 100 km. The spatial distribution of shaking intensity obtained from the “Did You Feel It?” project and site survey results are compared with the spatial distributions of simulated peak ground-motion intensity parameters. Our results show that despite the limitations of the method in simulating the directivity effects, the stochastic finite-fault model seems an effective and fast tool to simulate the high-frequency portion of ground motion. | en |
| dc.language.iso | English | en |
| dc.publisher.name | Seismological Society of America | en |
| dc.relation.ispartof | Bulletin of the Seismological Society of America | en |
| dc.relation.ispartofseries | 4/102(2012) | en |
| dc.subject | 2009 L'Aquila sequence | en |
| dc.subject | strong ground motion simulations | en |
| dc.title | Strong-Ground-Motion Simulation of the 6 April 2009 L’Aquila, Italy, Earthquake | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | 1429-1445 | en |
| dc.subject.INGV | 04. Solid Earth::04.06. Seismology::04.06.04. Ground motion | en |
| dc.identifier.doi | 10.1785/0120110060 | en |
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(Editor), Vol. 2, Gebrüder Bornträger, Berlin, Germany, 550–555 (in German)Toro, G. R., and R. K. McGuire (1987). An investigation into earthquake ground motion characteristics in eastern North America, Bull. Seismol. Soc. Am. 77, 468–489. Toshinawa, T., and T. Ohmachi (1992). Love-wave propagation in a threedimensional basin, Bull. Seismol. Soc. Am. 82, 1661–1677. Wessel, P., and W. H. F. Smith (1998). New, improved version of the Generic Mapping Tools released, Eos Trans. AGU 79, 579. | en |
| dc.description.obiettivoSpecifico | 4.1. Metodologie sismologiche per l'ingegneria sismica | en |
| dc.description.journalType | JCR Journal | en |
| dc.description.fulltext | restricted | en |
| dc.relation.issn | 0037-1106 | en |
| dc.relation.eissn | 1943-3573 | en |
| dc.contributor.author | Ugurhan, B. | en |
| dc.contributor.author | Askan, A. | en |
| dc.contributor.author | Akinci, A. | en |
| dc.contributor.author | Malagnini, L. | en |
| dc.contributor.department | METU, ANKARA, TURKEY | en |
| dc.contributor.department | METU, ANKARA,TURKEY | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | 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 | METU, ANKARA, TURKEY | - |
| crisitem.author.dept | METU, ANKARA,TURKEY | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia | - |
| crisitem.author.orcid | 0000-0001-8073-3420 | - |
| crisitem.author.orcid | 0000-0001-5809-9945 | - |
| 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.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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| Ugurhan_etal_BSSA2012.pdf | 1.24 MB | Adobe PDF |
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