The marine activities performed within the TOMO-ETNA experiment

Attilio Sulli, Fabrizio Zgur, Salvatore Rapisarda, Filippo Muccini, Gioacchino Fertitta, Lorenzo Facchin, Diego Cotterle, Marco Firetto Carlino, Domenico Patanè, Paolo Mansutti, Fabrizio Cultrera, Danilo Cavallaro, Luca Cocchi, Clara Monaco, Giuseppe D’Anna, Maria Eloisa Claude, Giuseppe Passafiume, Giampaolo Visnovic, Stefano Speciale, Roberto D’AnnaRita Blanos, Maria Teresa Pedrosa Gonzales, Antonino D’Alessandro, Francisco Carrión, Antonino D’Alessandro, Antonino D’Alessandro, Antonino D’Alessandro, Antonino D’Alessandro, Lorenzo Sormani, Cosmo Carmisciano, Teresa Teixidó, Fausto Grassa, Aristomenis P. Karageorgis, Mauro Coltelli, Jesús M. Ibáñez

Risultato della ricerca: Articlepeer review

14 Citazioni (Scopus)

Abstract

The TOMO-ETNA experiment was planned in order to obtain a detailed geological and structural model of the continental and oceanic crust beneath Mt. Etna volcano and northeastern Sicily up to the Aeolian Islands (southern Italy), by integrating data from active and passive refraction and reflection seismic methodologies, magnetic and gravity surveys. This paper focuses on the marine activities performed within the experiment, which have been carried out in the Ionian and Tyrrhenian Seas, during three multidisciplinary oceanographic cruises, involving three research vessels (“Sarmiento de Gamboa”, “Galatea” and “Aegaeo”) belonging to different countries and institutions. During the offshore surveys about 9700 air-gun shots were produced to achieve a high-resolution seismic tomography through the wide-angle seismic refraction method, covering a total of nearly 2650 km of shooting tracks. To register ground motion, 27 ocean bottom seismometers were deployed, extending the inland seismic permanent network of the Istituto Nazionale di Geofisica e Vulcanologia (INGV) and a temporary network installed for the experiment. A total of 1410 km of multi-channel seismic reflection profiles were acquired to image the subsurface of the area and to achieve a 2D velocity model for each profile. Multibeam sonar and sub bottom profiler data were also collected. Moreover, a total of 2020 km of magnetic and 680 km of gravity track lines were acquired to compile magnetic and gravity anomaly maps offshore Mt. Etna volcano. Here, high-resolution images of the seafloor, as well as sediment and rock samples, were also collected using a remotely operated vehicle.
Lingua originaleEnglish
pagine (da-a)1-23
Numero di pagine23
RivistaANNALS OF GEOPHYSICS
Volume59
Stato di pubblicazionePublished - 2016

All Science Journal Classification (ASJC) codes

  • Geophysics

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