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Sabrina N Martinez (Former Employee)

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screenshot from US landslide inventory web app, map of US displaying points of high landslide susceptibility

National Landslide Hazards Maps (NLHM)

Landslides are a prominent natural hazard across the U.S. globally and can result in fatalities as well as costly and disruptive infrastructure damage. To better understand landslide hazards and risk, we need more accurate assessments of landslide potential across the country. The NLHM project aims to improve understanding of landslide occurrence, susceptibility, and frequency to produce accurate...
By
Landslide Hazards Program, Geologic Hazards Science Center
link

National Landslide Hazards Maps (NLHM)

Landslides are a prominent natural hazard across the U.S. globally and can result in fatalities as well as costly and disruptive infrastructure damage. To better understand landslide hazards and risk, we need more accurate assessments of landslide potential across the country. The NLHM project aims to improve understanding of landslide occurrence, susceptibility, and frequency to produce accurate...
Learn More

Earthquake-Triggered Ground Failure associated with the M9.2 1964 Great Alaska Earthquake

The M9.2 1964 Great Alaska earthquake is the second-largest earthquake in the historical record, the largest in North America, and involved nearly five minutes of shaking (Brocher and others, 2014). The earthquake initiated in the Alaska-Aleutian subduction zone, about 12 km below northern Prince William Sound. The rupture length was about 700 km and generated deep and shallow...
By
Geologic Hazards Science Center

Preliminary Landslide Inventory for Landslides Triggered by Hurricane Helene (September 2024)

We present a preliminary point inventory of landslides triggered by Hurricane Helene, which impacted southern Appalachia between September 25 and 27, 2024. This inventory is a result of a rapid response mapping effort led by the U.S. Geological Survey’s Landslide Assessments, Situational Awareness, and Event Response Research (LASER) project. LASER collaborated with state surveys and...
By
Geologic Hazards Science Center

Imagery and digital surface model for the Slumgullion landslide, Lake City, Colorado, June 3, 2024

This dataset contains a point cloud (Slumgullion_PointCloud.laz), 1-meter digital surface model (Slumgullion_DSM.tif), and orthoimagery (0.1-meter resolution) (Slumgullion_Ortho.tif) of the active portion of the Slumgullion landslide in Lake City, Colorado. The Slumgullion landslide is a translational slide with a continuously moving, active portion and an inactive portion. 896 photos...
By
Geologic Hazards Science Center

Slope-Relief Threshold Landslide Susceptibility Models for the United States and Puerto Rico

Landslide susceptibility maps are essential tools in infrastructure planning, hazard mitigation, and risk reduction. Susceptibility maps trained in one area have been found to be unreliable when applied to different areas (Woodard et al., 2023). This limitation leads to the need for a national map that is higher resolution and rigorous, but simple enough to be applied to diverse terrains...
By
Geologic Hazards Science Center

Earthquake triggered ground failure associated with the M7.1 2018 southcentral Alaska Earthquake (ver. 2.0, December 2023)

The November 30, 2018, magnitude (Mw) 7.1 Anchorage, Alaska earthquake triggered substantial ground failure throughout Anchorage and surrounding areas (Grant et al., 2020; Jibson et al., 2020). The earthquake was an intraslab event with a focal depth of about 47 km and an epicenter about 16 km north of the city of Anchorage. Peak ground accelerations reached ∼30% g. Despite the...
By
Natural Hazards Mission Area, Earthquake Hazards Program, Geologic Hazards Science Center, Supplemental Appropriations for Disaster Recovery Activities

Rapid Response Landslide Inventory for the 14 August 2021 M7.2 Nippes, Haiti, Earthquake

We present a preliminary point inventory of the landslides associated with the M7.2 Nippes, Haiti, earthquake that occurred on August 14, 2021. The mapping was part of rapid response efforts to identify hazards for situational awareness and emergency response by humanitarian aid organizations. This inventory accompanies an Open-File Report detailing the hazards presented by the...
By
Landslide Hazards Program, Geologic Hazards Science Center

Initial Observations of Landslides triggered by the 2018 Anchorage, Alaska earthquake

This data release provides the locations of 43 landslides that occurred during the 2018 Anchorage, Alaska earthquake mapped from high-resolution lidar (1-m). Lidar data can be accessed via the Alaska Division of Geological and Geophysical Surveys elevation portal (https://elevation.alaska.gov). Each landslide is represented as a point corresponding to the approximate location of the mid...
By
Natural Hazards Mission Area, Earthquake Hazards Program, Landslide Hazards Program, Geologic Hazards Science Center, Supplemental Appropriations for Disaster Recovery Activities

Field observations of ground failure triggered by the 2020 Puerto Rico earthquake sequence

This dataset consists of over 800 field observations of ground failure (landslides, lateral spreading, and liquefaction) and other damage triggered by the 2019-2020 Puerto Rico earthquake sequence. The sequence started with a M4.7 earthquake on 28 December 2019, followed by many more earthquakes, including 15 larger than M5 (as of 7 July 2020). The M6.4 mainshock, which is thought to...
By
Earthquake Hazards Program, Landslide Hazards Program, National Cooperative Geologic Mapping Program, Geologic Hazards Science Center
No results found.

Parsimonious high-resolution landslide susceptibility modeling at continental scales

Landslide susceptibility maps are fundamental tools for risk reduction, but the coarse resolution of current continental-scale models is insufficient for local application. Complex relations between topographic and environmental attributes characterizing landslide susceptibility at local scales are not transferrable across areas without landslide data. Existing maps with multiple...
Authors
Benjamin B. Mirus, Gina Marie Belair, Nathan J. Wood, Jeanne M. Jones, Sabrina N. Martinez
By
Natural Hazards Mission Area, Landslide Hazards Program, Geologic Hazards Science Center

Earthquake-triggered ground-failure inventory associated with the M7.1 2018 Southcentral Alaska earthquake

The 30 November 2018, magnitude (Mw) 7.1 earthquake in Southcentral Alaska triggered substantial landslides, liquefaction, and ground cracking throughout the region, resulting in widespread geotechnical damage to buildings and infrastructure. Despite a challenging reconnaissance and remote-sensing environment, we constructed a detailed digital inventory of ground failure associated with...
Authors
Sabrina N. Martinez, Kate E. Allstadt, Eric M. Thompson, Sonia Ellison, Lauren N. Schaefer, Kelli Wadsworth Baxstrom
By
Geologic Hazards Science Center

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...
Authors
Sabrina N. Martinez, Kate E. Allstadt, Stephen L. Slaughter, Robert G. Schmitt, Elaine Collins, Lauren N. Schaefer, Sonia Ellison
By
Natural Hazards Mission Area, Earthquake Hazards Program, Landslide Hazards Program, Geologic Hazards Science Center, International Programs

Evaluation of remote mapping techniques for earthquake-triggered landslide inventories in an urban subarctic environment: A case study of the 2018 Anchorage, Alaska Earthquake

Earthquake-induced landslide inventories can be generated using field observations but doing so can be challenging if the affected landscape is large or inaccessible after an earthquake. Remote sensing data can be used to help overcome these limitations. The effectiveness of remotely sensed data to produce landslide inventories, however, is dependent on a variety of factors, such as the...
Authors
Sabrina N. Martinez, Lauren N. Schaefer, Kate E. Allstadt, Eric M. Thompson
By
Natural Hazards Mission Area, Earthquake Hazards Program, Landslide Hazards Program, Geologic Hazards Science Center, Supplemental Appropriations for Disaster Recovery Activities

U.S. Landslide Inventory and Susceptibility Map

A web-based interactive map that combines the national landslide inventory compilation with the national landslide susceptibility map. This searchable map integrates contributions from various local, state, and federal agencies and offers links to the original digital inventory files for more detailed information.
By
Natural Hazards Mission Area, Landslide Hazards Program

Science and Products

link
screenshot from US landslide inventory web app, map of US displaying points of high landslide susceptibility

National Landslide Hazards Maps (NLHM)

Landslides are a prominent natural hazard across the U.S. globally and can result in fatalities as well as costly and disruptive infrastructure damage. To better understand landslide hazards and risk, we need more accurate assessments of landslide potential across the country. The NLHM project aims to improve understanding of landslide occurrence, susceptibility, and frequency to produce accurate...
By
Landslide Hazards Program, Geologic Hazards Science Center
link

National Landslide Hazards Maps (NLHM)

Landslides are a prominent natural hazard across the U.S. globally and can result in fatalities as well as costly and disruptive infrastructure damage. To better understand landslide hazards and risk, we need more accurate assessments of landslide potential across the country. The NLHM project aims to improve understanding of landslide occurrence, susceptibility, and frequency to produce accurate...
Learn More

Earthquake-Triggered Ground Failure associated with the M9.2 1964 Great Alaska Earthquake

The M9.2 1964 Great Alaska earthquake is the second-largest earthquake in the historical record, the largest in North America, and involved nearly five minutes of shaking (Brocher and others, 2014). The earthquake initiated in the Alaska-Aleutian subduction zone, about 12 km below northern Prince William Sound. The rupture length was about 700 km and generated deep and shallow...
By
Geologic Hazards Science Center

Preliminary Landslide Inventory for Landslides Triggered by Hurricane Helene (September 2024)

We present a preliminary point inventory of landslides triggered by Hurricane Helene, which impacted southern Appalachia between September 25 and 27, 2024. This inventory is a result of a rapid response mapping effort led by the U.S. Geological Survey’s Landslide Assessments, Situational Awareness, and Event Response Research (LASER) project. LASER collaborated with state surveys and...
By
Geologic Hazards Science Center

Imagery and digital surface model for the Slumgullion landslide, Lake City, Colorado, June 3, 2024

This dataset contains a point cloud (Slumgullion_PointCloud.laz), 1-meter digital surface model (Slumgullion_DSM.tif), and orthoimagery (0.1-meter resolution) (Slumgullion_Ortho.tif) of the active portion of the Slumgullion landslide in Lake City, Colorado. The Slumgullion landslide is a translational slide with a continuously moving, active portion and an inactive portion. 896 photos...
By
Geologic Hazards Science Center

Slope-Relief Threshold Landslide Susceptibility Models for the United States and Puerto Rico

Landslide susceptibility maps are essential tools in infrastructure planning, hazard mitigation, and risk reduction. Susceptibility maps trained in one area have been found to be unreliable when applied to different areas (Woodard et al., 2023). This limitation leads to the need for a national map that is higher resolution and rigorous, but simple enough to be applied to diverse terrains...
By
Geologic Hazards Science Center

Earthquake triggered ground failure associated with the M7.1 2018 southcentral Alaska Earthquake (ver. 2.0, December 2023)

The November 30, 2018, magnitude (Mw) 7.1 Anchorage, Alaska earthquake triggered substantial ground failure throughout Anchorage and surrounding areas (Grant et al., 2020; Jibson et al., 2020). The earthquake was an intraslab event with a focal depth of about 47 km and an epicenter about 16 km north of the city of Anchorage. Peak ground accelerations reached ∼30% g. Despite the...
By
Natural Hazards Mission Area, Earthquake Hazards Program, Geologic Hazards Science Center, Supplemental Appropriations for Disaster Recovery Activities

Rapid Response Landslide Inventory for the 14 August 2021 M7.2 Nippes, Haiti, Earthquake

We present a preliminary point inventory of the landslides associated with the M7.2 Nippes, Haiti, earthquake that occurred on August 14, 2021. The mapping was part of rapid response efforts to identify hazards for situational awareness and emergency response by humanitarian aid organizations. This inventory accompanies an Open-File Report detailing the hazards presented by the...
By
Landslide Hazards Program, Geologic Hazards Science Center

Initial Observations of Landslides triggered by the 2018 Anchorage, Alaska earthquake

This data release provides the locations of 43 landslides that occurred during the 2018 Anchorage, Alaska earthquake mapped from high-resolution lidar (1-m). Lidar data can be accessed via the Alaska Division of Geological and Geophysical Surveys elevation portal (https://elevation.alaska.gov). Each landslide is represented as a point corresponding to the approximate location of the mid...
By
Natural Hazards Mission Area, Earthquake Hazards Program, Landslide Hazards Program, Geologic Hazards Science Center, Supplemental Appropriations for Disaster Recovery Activities

Field observations of ground failure triggered by the 2020 Puerto Rico earthquake sequence

This dataset consists of over 800 field observations of ground failure (landslides, lateral spreading, and liquefaction) and other damage triggered by the 2019-2020 Puerto Rico earthquake sequence. The sequence started with a M4.7 earthquake on 28 December 2019, followed by many more earthquakes, including 15 larger than M5 (as of 7 July 2020). The M6.4 mainshock, which is thought to...
By
Earthquake Hazards Program, Landslide Hazards Program, National Cooperative Geologic Mapping Program, Geologic Hazards Science Center
No results found.

Parsimonious high-resolution landslide susceptibility modeling at continental scales

Landslide susceptibility maps are fundamental tools for risk reduction, but the coarse resolution of current continental-scale models is insufficient for local application. Complex relations between topographic and environmental attributes characterizing landslide susceptibility at local scales are not transferrable across areas without landslide data. Existing maps with multiple...
Authors
Benjamin B. Mirus, Gina Marie Belair, Nathan J. Wood, Jeanne M. Jones, Sabrina N. Martinez
By
Natural Hazards Mission Area, Landslide Hazards Program, Geologic Hazards Science Center

Earthquake-triggered ground-failure inventory associated with the M7.1 2018 Southcentral Alaska earthquake

The 30 November 2018, magnitude (Mw) 7.1 earthquake in Southcentral Alaska triggered substantial landslides, liquefaction, and ground cracking throughout the region, resulting in widespread geotechnical damage to buildings and infrastructure. Despite a challenging reconnaissance and remote-sensing environment, we constructed a detailed digital inventory of ground failure associated with...
Authors
Sabrina N. Martinez, Kate E. Allstadt, Eric M. Thompson, Sonia Ellison, Lauren N. Schaefer, Kelli Wadsworth Baxstrom
By
Geologic Hazards Science Center

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...
Authors
Sabrina N. Martinez, Kate E. Allstadt, Stephen L. Slaughter, Robert G. Schmitt, Elaine Collins, Lauren N. Schaefer, Sonia Ellison
By
Natural Hazards Mission Area, Earthquake Hazards Program, Landslide Hazards Program, Geologic Hazards Science Center, International Programs

Evaluation of remote mapping techniques for earthquake-triggered landslide inventories in an urban subarctic environment: A case study of the 2018 Anchorage, Alaska Earthquake

Earthquake-induced landslide inventories can be generated using field observations but doing so can be challenging if the affected landscape is large or inaccessible after an earthquake. Remote sensing data can be used to help overcome these limitations. The effectiveness of remotely sensed data to produce landslide inventories, however, is dependent on a variety of factors, such as the...
Authors
Sabrina N. Martinez, Lauren N. Schaefer, Kate E. Allstadt, Eric M. Thompson
By
Natural Hazards Mission Area, Earthquake Hazards Program, Landslide Hazards Program, Geologic Hazards Science Center, Supplemental Appropriations for Disaster Recovery Activities

U.S. Landslide Inventory and Susceptibility Map

A web-based interactive map that combines the national landslide inventory compilation with the national landslide susceptibility map. This searchable map integrates contributions from various local, state, and federal agencies and offers links to the original digital inventory files for more detailed information.
By
Natural Hazards Mission Area, Landslide Hazards Program
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