Attention: this data is not updated after 2022 anymore. This data collection contains information concerning all accidents by snow avalanches causing at least one fatality in Switzerland. The data set commences on 01/10/1995. After the completion of a hydrological year, the new data is added. The following information is provided: * avalanche identifier * date of the accident * accuracy of the date in range of days before and after * canton * name of the locality * start zone of the avalanche * coordinates (Swiss coordinate system, approximately in middle of start zone) * accuracy of the coordinates in meters * elevation (in meteres above sea level, app. in middle of start zone) * slope aspect (main orientation of start zone) * slope inclination (in degree, steepest point within start zone) * number of dead persons * number of caught persons * number of fully buried persons * forecasted avalanche danger level * activity/location of the accident party at the time of the incident