Why did L.A.'s last big storm cause landslides in only some areas?
![Why did L.A.'s last big storm cause landslides in only some areas?](https://ca-times.brightspotcdn.com/dims4/default/4efa73d/2147483647/strip/false/crop/3600x2254+0+0/resize/1500x939!/quality/75/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2F43%2Fff%2F37767b284eb28ec2c6ff9f44867a%2F1408762-me-mulholland-landslide-1-brv.jpg)
There is a one-two punch when it comes to widespread landslides, which require a lot of accumulated precipitation as well as an intensity level of falling rain high enough to unzipper the terrain.