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Title: A microtremor survey to define the subsoil structure in a mud volcanoes area : the case study of Salinelle (Mt. Etna, Italy)
Authors: Panzera, Francesco
Sicali, Simona
Lombardo, Giuseppe
Imposa, Sebastiano
Gresta, Stefano
D'Amico, Sebastiano
Keywords: Microseisms
Mud volcanoes
Subsoils -- Italy
Etna, Mount (Italy)
Surface waves (Seismology)
Issue Date: 2016-08
Publisher: Springer Nature B.V.
Citation: Panzera, F., Sicali, S., Lombardo, G., Imposa, S., Gresta, S., & D’Amico, S. (2016). A microtremor survey to define the subsoil structure in a mud volcanoes area: The case study of Salinelle (Mt. Etna, Italy). Environmental Earth Sciences, 75(15), 1.
Abstract: A microtremor survey aiming to obtain information on subsoil structure was performed in the lower southwestern Etnean flank (Sicily, Italy). The area is characterized by emissions of muddy and salty water which create specific pseudo-volcanic edifices. Recording sites were both randomly selected in the area and along two profiles. Horizontal-to-vertical noise spectral ratio, polarization and surface wave prospecting techniques were used. The spectral ratios results set into evidence different frequency ranges that appear interesting to infer information on the subsoil structure. The depth of the hydrocarbon reservoir was inferred through 1D modeling, by using the information coming from the literature and experimental surveys. Moreover, a strongly directional effect suggests the existence of a NNW-SSE-oriented mud feeding dike.
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