1. Earthquake monitoring in Northern Germany and adjacent seas
- Author
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Weidle, C., Schulte-Kortnack, D., Omlin, A., Obst, K., Bülow, J., Hadziioannou, C., Wiesenberg, L., and Meier, T.
- Abstract
Northern Germany is a weak seismicity region with low level of exposure to seismic hazard. Accordingly, seismic hazard assessment has been pursued with low priority in the past. Rather poor observational conditions in the North German Basin are also a limiting factor for seismic monitoring. In a multi-institutional collaboration, we have been able to increase the number of permanent broadband stations in the North German Federal States of Schleswig-Holstein and Mecklenburg-Vorpommern from previously four in the year 2013 to currently fifteen. All data of the network are freely available through the EIDA node at the Federal Institute for Geosciences and Natural Resources (BGR) in Hannover.Three complementary seismic arrays, notably on the islands of Heligoland in the North Sea and on Rügen in the Baltic Sea, improve monitoring capabilities of offshore areas. Data from these seismic arrays also provide an opportunity to investigate properties of oceanic microseism in epicontinental seas.In addition to the development and operation of the seismic network, continuous event detection and analysis routines have been established at Kiel University. Besides low magnitude earthquakes, other natural phenomena like rockslides on cliffs or subrosion events have been repeatedly detected. Known controlled explosions provide an opportunity to quantify detection and location capabilities of the network. The recent destruction of the Nord Stream gas pipelines proved the importance of ongoing network expansion, and the need and reliability of routine seismic monitoring in this region., The 28th IUGG General Assembly (IUGG2023) (Berlin 2023)
- Published
- 2023
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