Seismology is very young discipline which stands out among sciences by several traits (e.g. the extremely large range of amplitudes and periods of ground motion it studies). It also has three faces – the research one (physics of the Earth's interior), the professional face (recording, locating and cataloguing earthquakes), and the one that deals with seismic hazard assessment and the ways to mitigate seismic risk. Related to these is its distinct multidisciplinarity and the need for close cooperation with various professions. Besides the expected physics and mathematics, there are also: geology, civil engineering, geodesy, but also professions such as history, linguistics or archiving. 

In the lecture, I will look at how this collaboration materialized during the 2020/2021 earthquake series near Zagreb (ML = 5.5) and Petrinja (ML = 6.2). Joint research with geologists related to locating aftershocks and determining the causal fault will be described, as well as cooperation with colleague geodesists in interpreting the satellite radar measurements (InSAR). The research on the historical seismicity to quantify past important earthquakes that are important in earthquake hazard assessment will be also briefly discussed. 

Author: Marija Čuić
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