The slide happened just before 10 a.m. Sunday. Resort officials say neither skier was buried by snow, adding that members of the ski patrol were on the scene within a minute.
A 39-year-old woman was treated and released from a Squaw Valley medical clinic.
A second skier, a 16-year-old boy, was treated for a shoulder injury and taken to Tahoe Forest Hospital in Truckee.
Squaw Valley says more than 100 staff and volunteers did a thorough search of the area to confirm no one else was caught in the slide
Avalanche rescue dogs were also used.