Solid Earth
Solid Earth
SE
Articles | Volume 12, issue 11
Articles | Volume 12, issue 11
https://doi.org/10.5194/se-12-2597-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/se-12-2597-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 11
Research article
 | 
19 Nov 2021
Research article |  | 19 Nov 2021

3D crustal structure of the Ligurian Basin revealed by surface wave tomography using ocean bottom seismometer data

Felix N. Wolf, Dietrich Lange, Anke Dannowski, Martin Thorwart, Wayne Crawford, Lars Wiesenberg, Ingo Grevemeyer, Heidrun Kopp, and the AlpArray Working Group

Supplement

https://doi.org/10.5194/se-12-2597-2021-supplement

Data sets

AlpArray Seismic Network (AASN) temporary component AlpArray Seismic Network https://doi.org/10.12686/alparray/z3_2015

RESIF-RLBP French Broad-band network, RESIF-RAP strong motion network and other seismic stations in metropolitan France RESIF https://doi.org/10.15778/resif.fr

Regional Seismic Network of North Western Italy University of Genoa https://doi.org/10.7914/SN/GU

Mediterranean Very Broadband Seismographic Network (MedNet) MedNet Project Partner Institutions https://doi.org/10.13127/SD/FBBBTDTD6Q

Rete Sismica Nazionale (RSN) INGV Seismological Data Centre https://doi.org/10.13127/SD/X0FXNH7QFY

Download
Short summary
The Ligurian Sea opened ~30–15 Ma during SE migration of the Calabrian subduction zone. Using ambient seismic noise from stations on land and at the ocean bottom, we calculated a 3D shear-velocity model of the Ligurian Basin. In keeping with existing 2D studies, we find a shallow crust–mantle transition at the SW basin centre that deepens towards the northeast, Corsica, and the Liguro-Provençal coast. We observe a separation of SW and NE basins. We do not observe high crustal vP/vS ratios.
Read more
Special issue
New insights into the tectonic evolution of the Alps and the...