Articles | Volume 14, issue 3
https://doi.org/10.5194/se-14-333-2023
https://doi.org/10.5194/se-14-333-2023
Research article
 | 
14 Mar 2023
Research article |  | 14 Mar 2023

The Münsterdorf sinkhole cluster: void origin and mechanical failure

Georg Kaufmann, Douchko Romanov, Ulrike Werban, and Thomas Vienken

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Short summary
We discuss collapse sinkholes occuring since 2004 on the sports field of Münsterdorf, a village north of Hamburg. The sinkholes, 2–5 m in size and about 3–5 m deep, develop in peri-glacial sand, with a likely origin in the Cretaceous chalk, present at about 20 m depth. The area has been analyzed with geophysical and direct-push-based methods, from which material properties of the subsurface have been derived. The properties have been used for mechanical models, predicting the subsidence.