| Titre | A possible breached relay ramp causing the 2013 Lunigiana earthquake (Northern Italy) |
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| Auteur | Polcari, M; Stramondo, S; Vannoli, P; Cannelli, V; Melini, D; Samsonov, S ; Moro, M; Bignami, C; Saroli, M |
| Source | IEEE International Geoscience and Remote Sensing Symposium proceedings 2014, 2014 p. 2397-2399, https://doi.org/10.1109/IGARSS.2014.6946954 |
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| Année | 2014 |
| Séries alt. | Secteur des sciences de la Terre, Contribution externe 20150209 |
| Éditeur | IEEE |
| Document | publication en série |
| Lang. | anglais |
| DOI | https://doi.org/10.1109/IGARSS.2014.6946954 |
| Media | papier; numérique; en ligne |
| Formats | pdf |
| Région | Lunigiana |
| Lat/Long OENS | 9.2500 13.5000 44.5000 43.3833 |
| Sujets | secousses séismiques; études séismiques; mécanismes de tremblement de terre; télédétection; interpretations structurelles; analyses structurales; failles; formation de failles; failles normales;
géophysique |
| Illustrations | images satellitaires; images géophysiques; tableaux |
| Diffusé | 2014 07 01 |
| Résumé | (disponible en anglais seulement)
We applied the Differential Interferometric Synthetic Aperture Radar (DInSAR) technique to investigate and model the Mw 5.3 (Ml 5.2), June 21st, 2013
earthquake, occurred in the discontinuity zone between the Lunigiana and Garfagnana areas, NW Italy. We analyzed the coseismic displacement from two differential interferogram generated using COSMO-SkyMed X-band and RADARSAT-2 C-band data. Both
interferograms show a pattern of subsidence of a few cm located between the Lunigiana and Garfagnana basins. We then modeled the observed SAR deformation fields using the Okada analytical formulation and found them to be consistent with an
extensional fault plane dipping towards NW at about 50°. Our results suggest that the fault responsible for the June 2013 earthquake may correspond to a breached relay ramp connecting the Lunigiana and Garfagnana seismogenic sources |
| GEOSCAN ID | 296917 |
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