Visible crew/equipment: After Josh tells Cher she's such a brat, at the start of the next shot which is the first close-up of Cher during the driver's test, just as she says, "I had an overwhelming sense of ickiness, even though I apologized to Lucy," the top of a crewmember's head, with his short wavy hair blowing in the wind, is reflected at the bottom of the Jeep's windshield, directly in front of Cher and the steering wheel. (01:11:55)
Visible crew/equipment: Near the start, when Cher picks up Dionne in her Jeep, in Dionne's two closeups when she shows off her hat and when she says, "Well at least I wouldn't skin a Collie to make my backpack," the shadows of film equipment, crane and rigging are visible on the lawn as it moves along with the girls. (00:02:45)
Visible crew/equipment: In the scene where Cher is waiting for Christian to call and packing her dad's suitcase up, you can see the shadow of the camera equipment moving up on the wall.
Visible crew/equipment: When Cher goes to pick up Dionne at the beginning of the movie, you can see the reflection of a camera in the bottom left hand window of Dionne's house.
Answer: Malibu is a hazardous place to live. It's constantly threatened by wildfires, which burn out the underbrush. Then when it rains, there's nothing on the ground to keep the mud from sliding down the hills, so mudslides are a problem, too. She was probably referring to one of the many times that this has happened.
Krista