On Jan. 17, 1994, a 6.7 earthquake struck the city of Northridge, killing 57 people and injuring thousands.
Structures toppled across the Los Angeles region, including at UCLA. It took $120,000 in labor costs to clean up the debris on campus.
Firefighters help clear out piles of debris.
The Northridge earthquake served as a wake-up call for Southern California. The quake brought attention to the brittle and structurally unsound buildings that toppled across the region.
Police and fire personnel stand by in wake of the earthquake.
About 30 firefighters dug out and rescued a worker from the collapsed Northridge fashion plaza parking lot.
The Northridge earthquake caused about $20 billion in damage in the Los Angeles area – the U.S.'s most expensive earthquake.