Photographs taken from boats showed coastal cliff rockfalls on Santa Cruz island in California during the M=5.4 earthquake on Thursday 5th April

Last week significant debris flows struck the Montecito area of California, causing at least 20 fatalities. Planet Labs have now captured medium and high resolution images of the area affected.

A video has been posted on Youtube that shows a dramatic landslide that occurred at Point Dume on the Californian coast on 25th March 2017

In a paper in Geophysical Research Letters, Georgie Bennett and colleagues have examined the response of Californian earthflows to the ongoing drought. They have found that the landslide have slowed markedly as conditions have become drier.

In the last few days an interesting landslide has developed in Vasquez Canyon in California, destroying a road

Extreme rainfall on Thursday triggered mudflows in the Tehachapi Mountains of California. A number of videos caught the events as they developed, and there are some excellent galleries of images of the aftermath.

A baby had a very lucky escape when a mudslide struck the town of Joshua Tree in California last week, washing him away

Robert Wills has captured an amazing sequence of images of the collapse of a natural arch in a coastal cliff in California

Brief report on a coastal landslide affecting a road in San Pedro, California

A brief examination of the new landslide susceptibility map for California