Cornice stomping triggered 2 small new snow loose sluffs. The bigger was 50 ft wide and ran 300 ft gathering some mass by the run out. About 42 degree trigger zone that quickly levels to an average of about 32 degrees. Crown line started at about 4-6 inches and increased in depth as it ran, although it was all new snow, no step downs into the old snow. Bed surface was the older South Aspect Sun Crust. Intentional Trigger.