: The project reassessed over 600 historical events, identifying 177 that caused significant damage (Intensity VI or higher) and removing roughly 260 "fake" or duplicate entries caused by historical recording errors.
The SED provides different ways to access this data depending on your needs: Download ECOS pdf
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 : The project reassessed over 600 historical events,
