Sixteen-year-old Alanna Radtke was last seen in Santa Rosa, California on February 23, 2026. The National Center for Missing & Exploited Children has issued an alert for the missing teen, and her case is registered under NCMEC Case #2078591.
Authorities have not released specific details regarding the circumstances of Alanna's disappearance. The Santa Rosa Police Department is the primary law enforcement agency investigating her case.
Anyone with information is urged to contact the Santa Rosa Police Department at 528-5222 or the NCMEC's 24-hour call center at 1-800-843-5678.
A poster distributed by NCMEC describes Alanna as a female who is now 16 years old. The public is advised not to approach Alanna if she is located, but to immediately contact law enforcement.Last Seen: Feb 23, 2026
