1. Regierungspräsidium Freiburg, Geological Survey of Baden-Württemberg, State Seismological Service, Freiburg, Germany
2. GFZ German Research Center for Geosciences, Potsdam, Germany
3. University of Potsdam, Institute for Earth and Environment, Potsdam, Germany
4. Karlsruhe Institute of Technology (KIT), Geophysical Institute, Karlsruhe, Germany
5. Geological Survey of Rhineland-Palatinate, State Seismological Service, Mainz, Germany
6. Geological Survey of North Rhine-Westphalia, State Seismological Service, Krefeld, Germany