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all geography including DSDP/ODP Sites and Legs
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Africa
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Congo (1)
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Rotliegendes (3)
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Much Wenlock Limestone (1)
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upper Paleozoic
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Primary terms
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Africa
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Permian
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Rotliegendes (3)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
logic trees
Calculation of National Seismic Hazard Models with Large Logic Trees: Application to the NZ NSHM 2022 Available to Purchase
Host-region parameters for an adjustable model for crustal earthquakes to facilitate the implementation of the backbone approach to building ground-motion logic trees in probabilistic seismic hazard analysis Open Access
Challenges of Building Logic Trees for Probabilistic Seismic Hazard Analysis Available to Purchase
On the Nature of Logic Trees in Probabilistic Seismic Hazard Assessment Available to Purchase
Comparing semiquantitative logic trees for archaeoseismology and paleoseismology: The Baelo Claudia (southern Spain) case study Available to Purchase
The Bolonia Bay, close to the Strait of Gibraltar, hosts the Roman ruins of Baelo Claudia. In the first and third century A.D., this ancient town was affected by two earthquakes. Several earthquake-related damages can be found inside the ruins, and the adjacent mountain ranges show features of Quaternary activity. Extensive paleoseismological and archaeoseismological investigations have been conducted at the archaeological site and in its environs. The first 14 C dating results from damaged infrastructure are presented in this paper, together with the preliminary results of fault-trenching on one of the closest suspect seismogenic faults near the archaeological site. The observations have been quantified using the two logic trees for paleoseismology and archaeoseismology. Our results show that a mere paleoseismological classification of the geological features leads to a paleoseismic quality factor (PQF) of 0.03, which is low compared to other studies. Taking into account the additional information from archaeoseismological work (archaeoseismological quality factor [AQF] is 0.5), it becomes clear that the Baelo Claudia study site provides an opportunity for detailed earthquake investigations. Therefore, it has a high potential for reliable seismic hazard analyses. A complementary application of both logic trees is recommended in future studies if sufficient data are available.