Preliminary Landslide Assessments Completed
The USGS seeks to provide effective situational awareness about long-term and ongoing hazardous events to improve emergency response, inform the public, and minimize societal disruption. Large, highly mobile landslides generate seismic signals that can be detected by seismic monitoring networks and leave scars and deposits that can be detected from high-resolution remote-sensing imagery.
Following large landslides and widespread landslide outbreaks, an expert analysis of data from these and other sources, and prompt release of this information can provide critical information to government agencies, emergency managers, the media, and the public to inform decision making during and immediately following landslide crises. Analysis results for selected large landslides and regional events are summarized in rapidly released preliminary reports that are publicly available through links on this page.
Select the tabbed items above to view preliminary assessments, subsequently-published research, and related publically-accessible data.
Below are other science projects associated with this project.
Preliminary Analysis of Satellite Imagery and Seismic Observations of the Nuugaatsiaq Landslide and Tsunami, Greenland
Preliminary Landslide Susceptibility Maps and Data for Hawaii
Below are data or web applications associated with this project.
Map data showing concentration of landslides caused by Hurricane Maria in Puerto Rico
- Overview
The USGS seeks to provide effective situational awareness about long-term and ongoing hazardous events to improve emergency response, inform the public, and minimize societal disruption. Large, highly mobile landslides generate seismic signals that can be detected by seismic monitoring networks and leave scars and deposits that can be detected from high-resolution remote-sensing imagery.
Following large landslides and widespread landslide outbreaks, an expert analysis of data from these and other sources, and prompt release of this information can provide critical information to government agencies, emergency managers, the media, and the public to inform decision making during and immediately following landslide crises. Analysis results for selected large landslides and regional events are summarized in rapidly released preliminary reports that are publicly available through links on this page.
Select the tabbed items above to view preliminary assessments, subsequently-published research, and related publically-accessible data.
- Science
Below are other science projects associated with this project.
Preliminary Analysis of Satellite Imagery and Seismic Observations of the Nuugaatsiaq Landslide and Tsunami, Greenland
Disclaimer This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely science to assess ongoing hazards. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized...Preliminary Landslide Susceptibility Maps and Data for Hawaii
Landslide Susceptibility Data and Maps provide tools for hazard assessment prior to an event that may cause landslides. - Data
Below are data or web applications associated with this project.
Map data showing concentration of landslides caused by Hurricane Maria in Puerto Rico
On September 20, 2017, Hurricane Maria hit the U.S. territory of Puerto Rico as a category 4 storm. Heavy rainfall caused landslides in mountainous regions throughout the territory. This data release presents geospatial data describing the concentration of landslides generated by Hurricane Maria in Puerto Rico. We used post-hurricane satellite and aerial imagery collected between September 26, 201