Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/8865
Authors: | Cannelli, V.* Melini, D.* Piersanti, A.* |
Title: | New insights on the Messina 1908 seismic source from post-seismic sea level change | Journal: | Geophysical Journal International | Series/Report no.: | 2/194(2013) | Publisher: | Wiley-Blackwell | Issue Date: | Aug-2013 | DOI: | 10.1093/gji/ggt134 | Keywords: | Sea level change Earthquake source observations Rheology: crust and lithosphere |
Subject Classification: | 04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous | Abstract: | The identification of a source model for the catastrophic 1908 December 28 Messina earth- quake (Mw = 7.2) has been the subject of many papers in the last decades. Several authors proposed different models on the basis of seismological, macroseismic and geodetic data sets; among these models, remarkable differences exist with regard to almost all parameters. We selected a subset of six models among those most cited in literature and used them to model the post-seismic sea level variation recorded at the tide gauge station of Messina (until 1923), to attempt an independent discrimination among them. For each model, we assumed a simple rheological structure and carried out a direct-search inversion of upper crust thickness and lower crust viscosity to fit the post-seismic sea level signal. This approach enabled us to iden- tify a class of fault geometries which is consistent with the post-seismic signal at the Messina tide gauge and with the known structural and rheological features of the Messina strait |
Appears in Collections: | Article published / in press |
Files in This Item:
File | Description | Size | Format | |
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cannelli2013.pdf | manuscript | 2.14 MB | Adobe PDF | View/Open |
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