The attack comes weeks after the sect members attacked an all girls secondary school in the state and abducted 110 of the students.
An eye witness, who narrated what happened, said the teenage bomber attempted to enter the mosque when a worshipper tried to stop her.
“She detonated the explosive, when Mallam Yakubu decided to block her. She died instantly, while Malam Yakubu and Babayo Makaniki sustained injuries”, he said.
He said that military rushed the victims to Damaturu hospital for treatment.