Authorities say the incident occurred July 31 at the Steinway Street subway station in Astoria. The suspect allegedly approached the victim and grabbed her buttocks as she was waiting for the "E" train on the northbound platform.
The quick thinking victim quickly snapped a photo of the suspect using her cell phone and immediately alerted police.
The suspect is described as an Hispanic male in his 30's. He is 160 pounds, clean shaven and was last spotted wearing a white t-shirt and blue jeans.
Anyone with information regarding the attack is asked to call Crime stoppers at 1-800-577-TIPS(8477). All call will be kept strictly confidential.