Articles | Volume 12, issue 6
Research article
02 Jun 2021
Research article |  | 02 Jun 2021

Regional centroid moment tensor inversion of small to moderate earthquakes in the Alps using the dense AlpArray seismic network: challenges and seismotectonic insights

Gesa Maria Petersen, Simone Cesca, Sebastian Heimann, Peter Niemz, Torsten Dahm, Daniela Kühn, Jörn Kummerow, Thomas Plenefisch, and the AlpArray and AlpArray-Swath-D working groups

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Cited articles

AlpArray Seismic Network: AlpArray Seismic Network (AASN) temporary component, Other/Seismic Network, AlpArray Working Group,, 2015. a
Amante, C. and Eakins, B.: ETOPO1 1 Arc-Minute Global Relief Model: Procedures, Data Sources and Analysis, NOAA Technical Memorandum NESDIS NGDC-24, National Geophysical Data Center, NOAA,, 2009. a, b, c, d
Anselmi, M., Govoni, A., De Gori, P., and Chiarabba, C.: Seismicity and velocity structures along the south-Alpine thrust front of the Venetian Alps (NE-Italy), Tectonophysics, 513, 37–48, 2011. a, b, c
Baer, M., Deichmann, N., Braunmiller, J., Husen, S., Fäh, D., Giardini, D., Kästli, P., KRadolfer, U., and Wiemer, S.: Earthquakes in Switzerland and surrounding regions during 2004, Ecl. Geolog. Helvet., 98, 407–418, 2005. a
Baer, M., Deichmann, N., Braunmiller, J., Clinton, J., Husen, S., Fäh, D., Giardini, D., Kästli, P., Kradolfer, U., and Wiemer, S.: Earthquakes in Switzerland and surrounding regions during 2006, Swiss J. Geosci., 100, 517–528, 2007. a
Short summary
The Alpine mountains are known for a complex tectonic history. We shed light onto ongoing tectonic processes by studying rupture mechanisms of small to moderate earthquakes between 2016 and 2019 observed by the temporary AlpArray seismic network. The rupture processes of 75 earthquakes were analyzed, along with past earthquakes and deformation data. Our observations point at variations in the underlying tectonic processes and stress regimes across the Alps.