Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/10413
AuthorsTarabusi, G. 
Caputo, R. 
TitleThe use of HVSR measurements for investigating buried tectonic structures: the Mirandola anticline, Northern Italy, as a case study
Issue DateApr-2017
Series/Report no.1/106(2016)
DOI10.1007/s00531-016-1322-3
URIhttp://hdl.handle.net/2122/10413
KeywordsSeismic Hazard
HVSR
Blind anticline
Po Plain
Seimotectonics
Single-station microtremor
Subject Classification04. Solid Earth::04.06. Seismology::04.06.01. Earthquake faults: properties and evolution 
04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring 
04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics 
AbstractThe Mirandola Anticline represents a buried fault-propagation fold which has been growing during Quaternary due to the seismogenic activity of a blind segment belonging to the broader Ferrara Arc. The last reactivation occurred during the May 2012 Emilia sequence. In correspondence with this structure the thickness of the marine and continental deposits of the Po Plain foredeep is particularly reduced. In order to better define the shallow geometry of this tectonic structure, and hence its recent activity, we investigated in a depth range which is intermediate between the surficial morphological observations and seismic profiles information. In particular, we carried out numerous passive seismic measurements (single station microtremor) for obtaining the horizontal to vertical spectral ratio (HVSR). The results of a combined analysis of the peak frequency and its amplitude nicely fit the available geological information suggesting that this low-cost geophysical technique could be successfully applied in other sectors of wide morphologically flat alluvial plains to investigate blind and completely buried potential seismogenic structures
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