Landslides In California

Rockslide on Highway 1 near San Luis Obispo County line on February 18, 1994.

Highway 1, about 1/3 of mile covered 30 to 40 feet deep by debris following a landslide. The Big Sur, California coastline has been changed by the thousands of tons of debris in which fell on the coast. Photo More

March 4, 2019 Caltrans working to repair a slip out on US 101 near Leggett, California.

California Highway Patrol: " Crescent City CHP US 101 will be CLOSED ALL NIGHT due to the continuously active slide. We know this may be an inconvenience and frustrating but the priority is keeping everyone saf More

CalTrans District One caption "US 101 Closed, South of Crescent City in Del Norte County-Last Chance Grade: Closed due to a slide. Crews are working hard to re-open one lane later this morning"

Landslide at Big French Creek and State Route 299, at the Trinity River in Trinity County, California. Traffic is still open, however expect one hour delays.

January 18, 2016 The Ferndale Police Department wrote on their Facebook page: The “The Wildcat” or Mattole Rd has been closed by CHP due to a non-passable Mud Slide approximately one mile from Ferndale. An alte More

Picryl description: Public domain image of a damaged, burned, or destroyed building, natural disaster, war destruction, ruins, 19th-century architecture, free to use, no copyright restrictions.

Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.

Groundhog cinder cone, the youngest of the Golden Trout Creek volcanic field in California, USA, is breached to the NE. Groundhog cone was the source of a Holocene lava flow that traveled 6 km to the west down More

In cooperation with Monterey County, we are closing the Nacimiento-Fergusson Road on the Monterey Ranger District effective 5:00 pm Feb. 15 to all motorized traffic due to road slide safety concerns. Road closu More

Landslide on steep hillside near Mussel Rock due to the 1906 San Francisco earthquake. This photograph was taken by the US Geological Survey in 1906, and it was later published as figure 24 in the 1976 paper "H More

Rockfalls along coastal bluffs between Ocean Avenue, San Francisco, and Mussel Rock caused by the 1906 San Francisco earthquake. This photograph was taken by the US Geological Survey in 1906, and it was later p More

Landslide on Mission Peak, Fremont, California

March 2020 Landslide at Last Chance Grade, Del Norte County, California. Trees and soil blocked US Highway 101 at Last Chance Grade, photo by Caltrans. Heavy machinery at top of hill.

March 2020 Landslide at Last Chance Grade, Del Norte County, California. A ten foot slipout took out a large chunk of Highway 101.

February 13, 2021 Landslide at Last Chance Grade, Del Norte County, California. Caltrans tries to reopen Highway 101. "IN THE NORTHERN CALIFORNIA AREA IS CLOSED FROM 12.4 MI SOUTH OF CRESCENT CITY /AT VISTA PO More

February 13, 2021 Landslide at Last Chance Grade, Del Norte County, California. This is the very beginning of the slide. It was still sliding on 14 February. "IN THE NORTHERN CALIFORNIA AREA IS CLOSED FROM More

Air view of Last Chance Grade in the Highway 101 Corridor between Wilson Creek and Crescent City, Del Norte County, California

(public domain image provided by the United States Geological Survey) In geology, landslide events are referred to as mass wasting. There are many specific types of mass wasting including mudflows, debris fl More

Aftermath of the 1996 Yosemite Valley landslide. Picryl description: Public domain photograph of Yosemite National Park, nature, free to use, no copyright restrictions image.

A landslide in the aftermath of the 1992 Cape Mendocino earthquakes, in northern California. The slide occurred along Centerville Road, west of Ferndale.

United States Geological Survey photo of the landslide on the side of Mission Peak, above Fremont, California. The complete GPS master station (MS) is on stable ground near the ridgetop. The remote instrument s More

Small landslide on Bean Creek Road approximately 1.6 km north of Scott's Valley, California. View is looking north. This landslide is typical of thousands of landslides in the epicentral area.

A small landslide on a hillside road

Landslide in a pasture in Mitchell County California May 21 1901