Geomorphology and Age of Large Rock Avalanches in Trentino (Italy): Castelpietra

被引：6

作者：

Ivy-Ochs, Susan ^{[1
]}

Martin, Silvana ^{[2
]}

Campedel, Paolo ^{[3
]}

Hippe, Kristina ^{[1
]}

Vockenhuber, Christof ^{[1
]}

Carugati, Gabriele ^{[4
]}

Rigo, Manuel ^{[2
]}

Pasqual, Daria ^{[2
]}

Vigano, Alfio ^{[3
]}

机构：

[1] ETH Honggerberg, Lab Ion Beam Phys, CH-8093 Zurich, Switzerland

[2] Univ Padua, Dipartimento Geosci, I-35133 Padua, Italy

[3] Serv Geol Prov Autonoma Trento, I-38121 Trento, Italy

[4] Dipartimento Sci & Alta Tecnol, I-22100 Como, Italy

来源：

ADVANCING CULTURE OF LIVING WITH LANDSLIDES, VOL 5: LANDSLIDES IN DIFFERENT ENVIRONMENTS | 2017年

关键词：

Cosmogenic Cl-36; Rock avalanche; Historical seismicity; ALPS;

D O I：

10.1007/978-3-319-53483-1_41

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Within a project aimed at understanding past catastrophic rock slope failure in the Trentino Province of Italy, we studied the Castelpietra landslide. Castelpietra encompasses a main blocky deposit, with an area of 1.2 km(2), which is buried on the upper side by more recent rockfall debris. The release area is the Cengio Rosso rock wall, which is comprised of Dolomia Principale and overlying Calcari Grigi Group dolomitized limestones. (CI)-C-36 exposure dates from two boulders in the main blocky deposit indicate that the landslide occurred at 1060 +/- 270 AD (950 +/- 270 yr ago). The close coincidence in time of the Castelpietra event with several events that lie within a maximum distance of 20 km, including Kas at Marroche di Dro, Pra da Lago and Varini (at Lavini di Marco) landslides, strongly suggests a seismic trigger. Based on historical seismicity compilations, we have identified the "Middle Adige Earthquake" at 1046 AD as the most likely candidate. Its epicenter lies right in the middle of the spatial distribution of the discussed landslides.

引用

页码：347 / 353

页数：7

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