Operation Delta Force 4: Deep Fault
- Curs: 1999
- País: Bulgaria, United States of America
- Gènere: Action
- Estudi: Martien Holdings A.V.V., Nu Image
- Paraula clau: delta force, snow, terrorism, special forces, seismologist, die hard scenario, female scientist
- Director: Mark Roper
- Repartiment: Greg Collins, Justin Williams, Johnny Messner, Gary Hudson, Hayley DuMond, Joe Lara