Witnessed this from Tunnel Ridge while watching another group below in very complex terrain. They were trying to skin up the steep wind slab and remote triggered an avalanche. Crown maybe 6-10inches, they were below the cliff/rock band and it failed all the way up to the band. Looked like one individual was knocked over and spent time looking for their pole or something in the debris. They didn’t seem bothered and continued to skin up the slab after this.