The , maintained by the Swiss Seismological Service (SED) , is the authoritative dataset for seismic hazard assessment in the region. The most common downloadable version is ECOS-09 (released in 2011), which provides a comprehensive record of seismic activity from 250 AD through 2008. Key Features of the ECOS PDF & Dataset
: For year-specific analysis (e.g., the 2002 or 2019/2020 periods), the SED publishes annual summaries available on the ETH Zurich Research Collection . Download ECOS pdf
: A detailed PDF explaining the methodology and catalogue format can be found on ResearchGate or directly via the SED Appendix L . The , maintained by the Swiss Seismological Service