The marine activities performed within the TOMO-ETNA experiment

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


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 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.

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Coltelli, M., Cavallaro, D., Firetto Carlino, M., Cocchi, L., Muccini, F., D’Alessandro, A., Claude, M. E., Monaco, C., Ibáñez, J. M., Zgur, F., Patanè, D., Carmisciano, C., D’Anna, G., Pedrosa Gonzales, M. T., Teixidò, T., D’Anna, R., Fertitta, G., Passafiume, G., Speciale, S., Grassa, F., Karageorgis, A. P., Sormani, L., Facchin, L., Visnovic, G., Cotterle, D., Blanos, R., Mansutti, P., Sulli, A., Cultrera, F., Carrión, F. and Rapisarda, S. (2016) “The marine activities performed within the TOMO-ETNA experiment”, Annals of Geophysics, 59(4), p. S0428. doi: 10.4401/ag-7081.

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