Articles | Volume 22, issue 6
https://doi.org/10.5194/nhess-22-2057-2022
https://doi.org/10.5194/nhess-22-2057-2022
Research article
 | 
21 Jun 2022
Research article |  | 21 Jun 2022

Magnitude and source area estimations of severe prehistoric earthquakes in the western Austrian Alps

Patrick Oswald, Michael Strasser, Jens Skapski, and Jasper Moernaut

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Cited articles

Alsop, G. I. and Marco, S.: Soft-sediment deformation within seismogenic slumps of the Dead Sea Basin, J. Struct. Geol., 33, 433–457, https://doi.org/10.1016/j.jsg.2011.02.003, 2011. 
Avşar, U., Jónsson, S., Avşar, Ö., and Schmidt, S.: Earthquake-induced soft-sediment deformations and seismically amplified erosion rates recorded in varved sediments of Köyceğiz Lake (SW Turkey), J. Geophys. Res.-Sol. Ea., 121, 4767–4779, https://doi.org/10.1002/2016JB012820, 2016. 
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Beck, C.: Late Quaternary lacustrine paleo-seismic archives in north-western Alps: Examples of earthquake-origin assessment of sedimentary disturbances, Earth-Sci. Rev., 96, 327–344, https://doi.org/10.1016/j.earscirev.2009.07.005, 2009. 
Beck, C., Manalt, F., Chapron, E., Van Rensbergen, P., and De Batist, M.: Enhanced seismicity in the early post-glacial period: Evidence from the post-würm sediments of lake annecy, northwestern Alps, J. Geodyn., 22, 155–171, https://doi.org/10.1016/0264-3707(96)00001-4, 1996. 
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Short summary
This study provides the first regional earthquake catalogue of the eastern Alps spanning 16 000 years by using three lake paleoseismic records. Recurrence statistics reveal that earthquakes recur every 1000–2000 years in an aperiodic pattern. The magnitudes of paleo-earthquakes exceed the historically documented values. This study estimates magnitude and source areas for severe paleo-earthquakes, and their shaking effects are explored in the broader study area.
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