Surface exposure dating of the Veliki vrh rock avalanche in Slovenia associated with the 1348 earthquake

Merchel, Silke; Mrak, Irena; Braucher, Régis; Benedetti, Lucilla; Repe, Blaž; Bourlès, Didier; Reitner, Jürgen M.

doi:10.1016/j.quageo.2014.02.002

Cited by 16 publications

(6 citation statements)

References 31 publications

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“…As recently presented by Merchel et al (2014), CRE dating also provides sufficiently precise data for the correlation of landslides with historical earthquakes. Using a large data set (n ¼ 30) of 36 Cl exposure dating of bedrock surfaces and boulders, Merchel et al (2014) correlated Veliki vrh rock avalanche (Eastern Alps, Slovenia) with a devastating January 1348 earthquake that took place along the recent Austria/Slovenia border.…”

Section: Paleoseismic Implications Of Dated Landslidesmentioning

confidence: 82%

“…Studies focusing on landslide dating with relation to ancient earthquakes can be generally categorized as follows: (1) those using a specific spatiotemporal pattern of dated landslides as paleoseismic proxies (e.g. Aylsworth et al, 2000;Brooks, 2013;Jacoby et al, 1992;Kojima et al, 2014;Schuster et al, 1992); and (2) those attributing dated landslides to known (usually historic) seismic events (Becker and Davenport, 2003;Goto et al, 2010;Merchel et al, 2014).…”

Section: Paleoseismic Implications Of Dated Landslidesmentioning

confidence: 99%

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Recent progress in landslide dating

Pánek

2014

Progress in Physical Geography: Earth and Environment

125

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Recent progress of dating techniques has greatly improved the age determination of various types of landslides. Since the turn of the 21st century, the number of dated landslides throughout the world has increased several fold and the introduction of modern dating methods (e.g. cosmic ray exposure dating) has enabled the dating of new landslide features and elements. Based on the analysis of >950 dated landslides (of which 734 have been dated since the year 2000), it is clear that the predominant traditional strategies have continued to rely on the radiocarbon method; however, there is a remarkable trend of using cosmic ray exposure techniques for dating both the accumulation (e.g. landslide boulders) and the depletion (e.g. landslide scarps) parts of landslides. Furthermore, an increasing number of slope failures is determined by a multi-dating approach, which enables the verification of particular dating methods. Although coherent regional landslide chronologies are still relatively scarce in comparison with extensive databases of fluvial, glacial and/or eolian landforms, they offer important insights into temporal landslide distribution, long-term landslide behavior and their relationships with paleoenvironmental changes. The most extensive data sets exist for the mountain areas of North America (Pacific Coast Ranges), South America (Andes), Europe (Alps, Scottish Highlands, Norway, Carpathians and Apennines), the Himalaya-Tibet orogeny and the Southern Alps of New Zealand. Dated landslides in the plate interiors are lacking, especially in South America, Africa and Australia. Despite the fact that some dating results are well correlated with major regional and continental-scale changes in the seismic activity, moisture abundance, glacier regimes and vegetation patterns, some of these results contradict previously established straightforward hypotheses. This indicates the rather complex chronological behavior of landslides, reflecting both intrinsic (e.g. gradual stress relaxation within a rock mass) and external factors, including high-magnitude earthquakes or heavy rainfalls.

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Section: Paleoseismic Implications Of Dated Landslidesmentioning

confidence: 82%

Section: Paleoseismic Implications Of Dated Landslidesmentioning

confidence: 99%

Recent progress in landslide dating

Pánek

2014

Progress in Physical Geography: Earth and Environment

125

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“…The Fella‐Sava Line is an active (Jamšek‐Rupnik, 2013; Merchel et al., 2014) transregional complex structural element extending from the Carnic area to the Pannonian basin. In Slovenia according to Vrabec and Fodor (2006), the Sava Fault merges with the Šoštanj Fault and the Labot Fault, together forming the continuation of the Periadriatic Lineament shear zone toward the Drava graben.…”

Section: (Mis)interpreted Tectonic Structuresmentioning

confidence: 99%

Comment on “Fragmentation of the Adriatic Promontory: New Chronological Constraints From Neogene Shortening Rates Across the Southern Alps (NE Italy)” by Moulin & Benedetti

et al. 2021

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Moulin and Benedetti (2018), https://doi.org/10.1029/2018TC004958 present a new interpretation of the Neogene‐Quaternary tectonic evolution of the Eastern Southern Alps (ESA) in Veneto‐Friuli. After the reinterpretation of literature field data by means of remote sensing analysis (Digital Elevation Model interpretation), they calculated deformation rates of the tectonic structures through age interpretation of geomorphological surfaces of the Veneto‐Friuli piedmont plain. The authors linked the result of surface analysis to the thrust and fold architecture of the ESA basing on the Castellarin et al. (2006), https://doi.org/10.1016/j.tecto.2005.10.013 interpretation of TRANSALP project and the Friuli geological map at the scale 1:150,000 (Carulli, 2006). Discussing their new architecture of the ESA, the authors finally yielded rates of Europe‐Adria plates convergence and suggested fragmentation of Adria over the last 1–2 Ma. The present comment is aimed at discussing several critical points concerning: the use of the geomorphological and chronological data; the misinterpretation of the Digital Terrain Model; the reconstruction of the balanced geological cross section. Moreover, the application of a structural model defined in a certain area to another without considering peculiar structural complexities available in the literature results is geologically and methodologically questionable.

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“…The same event resulted in two large landslides: the landslide/collapse of Mt. Dobratsch (∼1 km 3 ) and most likely the Veliki vrh landslide (20-100 million m 3 ) (Zorn, 2002;Merchel et al, 2014) (Figure 1). The 1511 Idrija/Friuli earthquake caused up to 12 000 fatalities and resulted in major damage in parts of Slovenia and northeast Italy (Ribarič, 1979;Cecić, 2011).…”

Section: Introductionmentioning

confidence: 99%

Database of Active Faults in Slovenia: Compiling a New Active Fault Database at the Junction Between the Alps, the Dinarides and the Pannonian Basin Tectonic Domains

et al. 2021

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We present the compilation of a new database of active faults in Slovenia, aiming at introducing geological data for the first time as input for a new national seismic hazard model. The area at the junction of the Alps, the Dinarides, and the Pannonian Basin is moderately seismically active. About a dozen Mw > 5.5 earthquakes have occurred across the national territory in the last millennium, four of which in the instrumental era. The relative paucity of major earthquakes and low to moderate fault slip rates necessitate the use of geologic input for a more representative assessment of seismic hazard. Active fault identification is complicated by complex regional structural setting due to overprinting of different tectonic phases. Additionally, overall high rates of erosion, denudation and slope mass movement processes with rates up to several orders of magnitude larger than fault slip rates obscure the surface definition of faults and traces of activity, making fault parametrization difficult. The presented database includes active, probably active and potentially active faults with trace lengths >5 km, systematically compiled and cataloged from a vast and highly heterogeneous dataset. Input data was mined from published papers, reports, studies, maps, unpublished reports and data from the Geological Survey of Slovenia archives and dedicated studies. All faults in the database are fully parametrized with spatial, geometric, kinematic and activity data with parameter descriptors including data origin and data quality for full traceability of input data. The input dataset was compiled through an extended questionnaire and a set of criteria into a homogenous database. The final database includes 96 faults with 240 segments and is optimized for maximum compatibility with other current maps of active faults at national and EU levels. It is by far the most detailed and advanced map of active faults in Slovenia.

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Surface exposure dating of the Veliki vrh rock avalanche in Slovenia associated with the 1348 earthquake

Cited by 16 publications

References 31 publications

Recent progress in landslide dating

Recent progress in landslide dating

Comment on “Fragmentation of the Adriatic Promontory: New Chronological Constraints From Neogene Shortening Rates Across the Southern Alps (NE Italy)” by Moulin & Benedetti

Database of Active Faults in Slovenia: Compiling a New Active Fault Database at the Junction Between the Alps, the Dinarides and the Pannonian Basin Tectonic Domains

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