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Barry Arm of Harriman Fjord, Alaska

The U.S. Geological Survey is supporting the monitoring efforts in the Barry Arm fjord in Alaska.

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Big Sur, California Landslide

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National Landslide Preparedness Act

enacted January 3, 2021

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Landslide Guide for Puerto Rico

in Spanish and English

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Landslide Science and Preparedness

Learn about landslides and debris flows

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Landslide Hazards

The primary objective of the National Landslide Hazards Program is to reduce long-term losses from landslide hazards by improving our understanding of the causes of ground failure and suggesting mitigation strategies.

Barry Arm, Alaska Landslide and Tsunami Monitoring

Monitoring Efforts at the Barry Arm Landslide

Barry Arm of Harriman Fjord, Prince William Sound, Alaska

This new interactive geonarrative (Esri story map) looks at the Barry Arm landslide, located in northwestern Prince William Sound, and about 30 miles (48.3 kilometers) from the coastal town of Whittier, Alaska. A catastrophic rockslide here could pose a threat to nearby communities and boat traffic.

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CSI: Rockfall Forensics

a person sitting on a large boulder with other boulders around and a light snow

A new "Science for Everyone" web article summarizes the June 2020 rockfall in Yosemite caused by the M5.8 Lone Pine, California earthquake. The next time you find yourself at the bottom of a cliff, make sure to look up.

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The Monitor Newsletter - Vol. 7 | Issue Summer 2022

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CSI: Rockfall Forensics

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Landslide Forecasting in Puerto Rico

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Landslides triggered by the August 14, 2021, magnitude 7.2 Nippes, Haiti, earthquake

The August 14, 2021, magnitude 7.2 Nippes, Haiti, earthquake triggered thousands of landslides on the Tiburon Peninsula. The landslides directly caused fatalities and damage and impeded response efforts by blocking roads and causing other infrastructure damage. Adverse effects of the landslides likely will continue for months to years. This report presents an assessment of potential postearthquake
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Natural Hazards, Earthquake Hazards, Landslide Hazards, Geologic Hazards Science Center, International Programs

Glacier and permafrost hazards

No abstract available.
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Natural Hazards, Landslide Hazards, Geologic Hazards Science Center

Multi-model comparison of computed debris flow runout for the 9 January 2018 Montecito, California post-wildfire event

Hazard assessment for post-wildfire debris flows, which are common in the steep terrain of the western United States, has focused on the susceptibility of upstream basins to generate debris flows. However, reducing public exposure to this hazard also requires an assessment of hazards in downstream areas that might be inundated during debris flow runout. Debris flow runout models are widely availab
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Natural Hazards, Landslide Hazards, Volcano Hazards, Geologic Hazards Science Center, Volcano Science Center, Supplemental Appropriations for Disaster Recovery Activities
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map of landslide locations

Interactive U.S. Landslide Data Maps

Interactive U.S. Landslide Data Maps with access to GIS data.
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Natural Hazards, Landslide Hazards, Landslide Hazards
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Interactive U.S. Landslide Data Maps

Interactive U.S. Landslide Data Maps with access to GIS data.
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Damaged house surrounded by rocks, trees, and mud

Cameron Peak, Colorado, Fire: Flooding and Debris Flows - July 20, 2021

On Thursday, August 13, 2020, at approximately 1:45 PM MDT, the Cameron Peak fire was reported in steep, rugged terrain 15 miles southwest of Red Feather Lakes, Colorado, near Cameron Pass. The fire spread rapidly due to extreme temperatures, strong winds, and high fuel loads. The largest wildfire in Colorado history, the Cameron Peak fire burned 845 square kilometers (sq km) on the Arapaho and...
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Natural Hazards, Landslide Hazards
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Cameron Peak, Colorado, Fire: Flooding and Debris Flows - July 20, 2021

On Thursday, August 13, 2020, at approximately 1:45 PM MDT, the Cameron Peak fire was reported in steep, rugged terrain 15 miles southwest of Red Feather Lakes, Colorado, near Cameron Pass. The fire spread rapidly due to extreme temperatures, strong winds, and high fuel loads. The largest wildfire in Colorado history, the Cameron Peak fire burned 845 square kilometers (sq km) on the Arapaho and...
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mud covering highway

Glenwood Canyon, Colorado, Flooding and Debris Flows: 2021

Summer storms on the Grizzly Creek burn area have resulted in repeated flooding and debris flows that are having enormous impacts in Glenwood Canyon. This Story Map collection summarizes the June and July events.
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Natural Hazards, Landslide Hazards
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Glenwood Canyon, Colorado, Flooding and Debris Flows: 2021

Summer storms on the Grizzly Creek burn area have resulted in repeated flooding and debris flows that are having enormous impacts in Glenwood Canyon. This Story Map collection summarizes the June and July events.
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