Two size 1-2 storm slab, estimate 24-48 hours old. ~10 cm of new snow has fallen since then. Wide propagation, ran about 80 m onto a bench and stopped. Very soft slab. Quick investigation at crown, CTM 11 RP down ~40 cm, failed on old storm snow (1 mm DF).
While transitioning, audible avalanche that lasted several seconds. Not sure where it occurred.