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European Fault-Source Model 2020 (EFSM20)
The European Fault-Source Model 2020 (EFSM20) was initially designed as a product of the EU H2020 Project SERA (WP25-JRA3) to fulfill the requirements related to active faulting of the 2020 update of the European Seismic Hazard Model (ESHM20) following the probabilistic framework established for the 2013 European Seismic Hazard Model (ESHM13). EFSM20 is now part of the portfolio of the EFEHR services.
EFSM20 has two main categories of seismogenic sources: crustal faults and subduction systems. Crustal faults provide the hazard model with seismicity rates in various tectonic contexts, including onshore and offshore active plate margins and interiors. Subduction systems provide the hazard model with slab interface and intraslab seismicity rates. The model includes 1,248 crustal faults spanning a total length of ~95,100 km and four subduction systems (Gibraltar, Calabrian, Hellenic, and Cyprus Arcs), with a focus on an area encompassing a buffer of 300 km around all target European countries (except for Overseas Countries and Territories, OTCs) and on a maximum of 300 km depth for slabs. Besides the original dataset, EFSM20 features 3D fault-source geometries made of triangular meshes that can be used in various applications of earthquake modeling.
Citation
Basili R., Danciu L., Beauval C., Sesetyan K., Vilanova S., Adamia S., Arroucau P., Atanackov J., Baize S., Canora C., Caputo R., Carafa M., Cushing M., Custódio S., Demircioglu Tumsa M., Duarte J., Ganas A., García-Mayordomo J., Gómez de la Peña L., Gràcia E., Jamšek Rupnik P., Jomard H., Kastelic V., Maesano F. E., Martín-Banda R., Martínez-Loriente S., Neres M., Perea H., Sket-Motnikar B., Tiberti M. M., Tsereteli N., Tsironi V., Vallone R., Vanneste K., Zupančič P. (2022). European Fault-Source Model 2020 (EFSM20): online data on fault geometry and activity parameters [Data set]. Istituto Nazionale di Geofisica e Vulcanologia (INGV). https://doi.org/10.13127/efsm20
Citation
Basili R., Taccone R., Vallone R., Maesano F. E. (2024). European Fault-Source Model 2020 (EFSM20): 3D triangular meshes [Data set]. Istituto Nazionale di Geofisica e Vulcanologia (INGV). https://doi.org/10.13127/efsm20/meshes
