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      Surface ruptures database related to the 26 December 2018, M W 4.9 Mt. Etna earthquake, southern Italy

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          Abstract

          We provide a database of the surface ruptures produced by the 26 December 2018 Mw 4.9 earthquake that struck the eastern flank of Mt. Etna volcano in Sicily (southern Italy). Despite its relatively small magnitude, this shallow earthquake caused about 8 km of surface faulting, along the trace of the NNW-trending active Fiandaca Fault. Detailed field surveys have been performed in the epicentral area to map the ruptures and to characterize their kinematics. The surface ruptures show a dominant right-oblique sense of displacement with an average slip of about 0.09 m and a maximum value of 0.35 m. We have parsed and organized all observations in a concise database, with 932 homogeneous georeferenced records. The Fiandaca Fault is part of the complex active Timpe faults system affecting the eastern flank of Etna, and its seismic history indicates a prominent surface-faulting potential. Therefore, this database is essential for unravelling the seismotectonics of shallow earthquakes in volcanic areas, and contributes updating empirical scaling regressions that relate magnitude and extent of surface faulting.

          Abstract

          Measurement(s) coseismic surface rupture • surface rupture kinematics • surface rupture displacement • surface rupture location
          Technology Type(s) field survey • GPS navigation system
          Factor Type(s) offset • strike • angle • length • latitude • longitude • elevation
          Sample Characteristic - Environment volcanic field
          Sample Characteristic - Location Island of Sicily • Mount Etna

          Machine-accessible metadata file describing the reported data: 10.6084/m9.figshare.11673027

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          Most cited references29

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          Displacement and Geometrical Characteristics of Earthquake Surface Ruptures: Issues and Implications for Seismic-Hazard Analysis and the Process of Earthquake Rupture

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            Twenty years of paleoseismology in Italy

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              Positional Accuracy of Assisted GPS Data from High-Sensitivity GPS-enabled Mobile Phones

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                Author and article information

                Contributors
                fabio.villani@ingv.it
                Journal
                Sci Data
                Sci Data
                Scientific Data
                Nature Publishing Group UK (London )
                2052-4463
                7 February 2020
                7 February 2020
                2020
                : 7
                : 42
                Affiliations
                [1 ]ISNI 0000 0001 2300 5064, GRID grid.410348.a, Istituto Nazionale di Geofisica e Vulcanologia, ; Rome, Italy
                [2 ]ISNI 0000 0001 2300 5064, GRID grid.410348.a, Istituto Nazionale di Geofisica e Vulcanologia, ; Catania, Italy
                Author information
                http://orcid.org/0000-0001-7133-0136
                http://orcid.org/0000-0002-2497-6273
                http://orcid.org/0000-0002-7248-4118
                http://orcid.org/0000-0002-0238-2730
                http://orcid.org/0000-0002-0553-5384
                http://orcid.org/0000-0002-0213-3355
                Article
                383
                10.1038/s41597-020-0383-0
                7005827
                32034156
                0398ae41-e60d-4f37-8c6d-64a7ec026d28
                © The Author(s) 2020

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

                The Creative Commons Public Domain Dedication waiver http://creativecommons.org/publicdomain/zero/1.0/ applies to the metadata files associated with this article.

                History
                : 6 August 2019
                : 15 January 2020
                Categories
                Data Descriptor
                Custom metadata
                © The Author(s) 2020

                volcanology,seismology,tectonics
                volcanology, seismology, tectonics

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