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A brief paleoseismology literature review: Contribution for the local seismic culture study in Portugal
Published in Mariana R. Correia, Paulo B. Lourenço, Humberto Varum, Seismic Retrofitting: Learning from Vernacular Architecture, 2015
M.R. Correia, M. Worth, S. Vilanova
Paleoseismology is a branch of geology that is dedicated to studying the geologic and geomorphic evidence of past earthquakes. Because paleoseismic studies extend back the seismic history of a fault, they may significantly increase the knowledge on the long-term seismic behaviour of active faults, and are therefore essential to seismic hazard analysis assessments at long return periods.
Paleoseismology of the Hyde Fault, Otago, New Zealand
Published in New Zealand Journal of Geology and Geophysics, 2022
Jonathan D. Griffin, Mark W. Stirling, David J.A. Barrell, Ella J. van den Berg, Erin K. Todd, Ross Nicolls, Ningsheng Wang
Several studies have identified evidence that supports the hypothesis of episodic earthquake recurrence on the basis of Quaternary geology, geomorphology and paleoseismology (Litchfield and Norris 2000; Litchfield 2001; Jackson et al. 2002; Norris and Nicolls 2004; Van Dissen et al. 2007; Taylor-Silva et al. 2020). In particular, out-of-phase activity between the neighbouring Pisa and Dunstan faults (Beanland and Berryman 1989; Van Dissen et al. 2007), and similarly, the neighbouring Titri and Akatore faults (Litchfield and Norris 2000; Litchfield 2001; Barrell et al. 2020; Taylor-Silva et al. 2020; Barrell 2021) supports a model of strain migration (Figure 1b). Despite this evidence, it is unclear whether episodic earthquake recurrence is ubiquitous in Otago. For example, a recent paleoseismic study of the Titri Fault (Figure 1b; Barrell et al. 2020) did not demonstrate episodic earthquake recurrence, however limitations of the record mean that the distribution of inter-event times could not be resolved.