RT Journal Article
T1 Active fault databases: building a bridge betweenearthquake geologists and seismic hazard practitioners, the case of the QAFI v.3 database
A1 García Mayordomo, Julián
A1 Martín Banda, Raquel
A1 Insúa Arévalo, Juan Miguel
A1 Álvarez Gómez, José Antonio
A1 Martínez Díaz, José J.
A1 Cabral, Joao
AB Active fault databases are a very powerful and useful tool in seismic hazard assessment, particularly when singular faults are considered seismogenic sources. Active fault databases are also a very relevant source of information for earth scientists, earthquake engineers and even teachers or journalists. Hence, active fault databases should be updated and thoroughly reviewed on a regular basis in order to keep a standard quality and uniformed criteria. Desirably, active fault databases should somehow indicate the quality of the geological data and, particularly, the reliability attributed to crucial fault-seismic parameters, such as maximum magnitude and recurrence interval. In this paper we explain how we tackled these issues during the process of updating and reviewing the Quaternary Active Fault Database of Iberia (QAFI) to its current version 3. We devote particular attention to describing the scheme devised for classifying the quality and representativeness of the geological evidence of Quaternary activity and the accuracy of the slip rate estimation in the database. Subsequently, we use this information as input for a straightforward rating of the level of reliability of maximum magnitude and recurrence interval fault seismic parameters. We conclude that QAFI v.3 is a much better database than version 2 either for proper use in seismic hazard applications or as an informative source for non-specialized users. However, we already envision new improvements for a future update.
PB European Geosciences Union
SN 1561-8633
YR 2017
FD 2017-08-30
LK https://hdl.handle.net/20.500.14352/18596
UL https://hdl.handle.net/20.500.14352/18596
LA eng
NO Instituto Geológico y Minero de España (IGME - Proyecto SISMOGEN)
NO Protección Civil de la Región de Murcia
DS Docta Complutense
RD 16 may 2024