QUaternary fault strain INdicators database - QUIN 1.0 - first release from the Apennines of central Italy

Lavecchia, G. and Bello, S. and Andrenacci, C. and Cirillo, D. and Ferrarini, F. and Vicentini, N. and de Nardis, R. and Roberts, Gerald P. and Brozzetti, F. (2022) QUaternary fault strain INdicators database - QUIN 1.0 - first release from the Apennines of central Italy. Scientific Data 9 (204), ISSN 2052-4463.

Abstract

We present QUIN, a “QUaternary fault strain INdicators database”, designed to integrate and unify published and unpublished local-scale geological information and derive strain parameters for structural and seismotectonic analyses. It provides data on 3339 Fault Striation Pairs (FSP; fault plane and slickenline), distributed within 455 survey sites. These are exposed along the intra-Apennine Quaternary extensional faults of Central Italy. The area covers an extent of ~550 km in a NW-SE direction. We give information on FSP location, attitude and kinematics, and deformation axes. We also provide an original shapefile of the faults hosting the FSP. A large amount of homogeneously distributed Quaternary fault/slip data help to clarify and implement the contemporary geometric and kinematic deformation pattern of Central Italy that appears scattered and incomplete whenever exclusively derived from earthquake data. The high-density of structural data can help investigate stress pattern heterogeneities at local scales, with relevance for new generations of hazard assessment evaluation and a better understanding of rupture propagation and related barriers.

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