Maslanka was in the custody of Chicopee police Tuesday night and was being returned to her family.
This is an update of a story that was posted originally at 4:38 p.m.
SOUTH HADLEY - Missing teen Kaitlyn Maslanka was located unharmed in Chicopee Tuesday afternoon, nearly 24 hours after she walked away from her home in South Hadley, police said.
Sgt. David A. Strycharz said Maslanka, 16, was in the custody of Chicopee police and will be returned home shortly.
She was in good health and not harmed in any way.
Police were able to hone in on her location by tracking the signal from her cell phone when she made calls.
He characterized her disappearance as running away from home.
South Hadley police on Tuesday morning contacted the local press about alerting the public for help in finding her. She went missing Monday afternoon when she was seen walking away from her home in South Hadley. At the time, it was believed she was heading for Chicopee, police said.
Her family called police when she did not turn up again.
Police announced Tuesday afternoon that Maslanka had been seen getting into a car at the Cumberland Farms store on Newton Street, not too far from her home. Police put out a second appeal for the unknown driver of the car to contact police.