: For up-to-the-minute data beyond the "frozen" 2009 catalogue, you can use the SED Event Portal, which allows you to query historical and modern events via a web browser.
: Unlike older records, ECOS provides a uniform estimate of moment magnitude ( MWcap M sub cap W ) for all events, allowing for consistent hazard modeling. Download ECOS pdf
: A detailed PDF explaining the methodology and catalogue format can be found on ResearchGate or directly via the SED Appendix L . : For up-to-the-minute data beyond the "frozen" 2009
: For year-specific analysis (e.g., the 2002 or 2019/2020 periods), the SED publishes annual summaries available on the ETH Zurich Research Collection . : For year-specific analysis (e
The SED provides different ways to access this data depending on your needs:
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