“The heavy rains that occurred in December and January likely caused the development of the crack in the bluffs,” Valte said. Climate & Environment Here’s where California’s cliffs are collapsing into the sea the fastestĪ new study pinpoints erosion hot spots along the entire California coast - and found that cliffs in Northern California are disappearing the fastest.Ĭrews expect to use a giant crane with a clamshell attachment to break away the damaged portion of the cliffside and 10 to 15 dump trucks will haul away 200 to 300 tons of soil, Valte said.