Operation Delta Force 4: Deep Fault
- Jier: 1999
- Lân: Bulgaria, United States of America
- Sjenre: Action
- Studio: Martien Holdings A.V.V., Nu Image
- Keyword: delta force, snow, terrorism, special forces, seismologist, die hard scenario, female scientist
- Direkteur: Mark Roper
- Cast: Greg Collins, Justin Williams, Johnny Messner, Gary Hudson, Hayley DuMond, Joe Lara