The quake produced unusually strong ground accelerations in the range of 1.0 '' g '' . Damage was also caused by fire and landslides . The Northridge earthquake was notable for hitting almost the same exact area as the 6.6 San Fernando ( Sylmar ) earthquake . Estimates of total damage range between $ 13 and $ 40 billion
San Fernando ( Sylmar ) earthquake
1971 San Fernando earthquake
1994 Northridge earthquake