2018 Supplemental Appropriations Activities
The Additional Supplemental Appropriations for Disaster Relief Requirements Act, 2018 (P.L. 115-123) was signed by the President on February 9, 2018. This funding provided the USGS $42.2 million to support recovery and rebuilding activities in the wake of the 2017 Hurricanes Harvey, Irma, and Maria and the 2017 California Wildfires.
USGS activities funded under the FY2018 Additional Supplemental Appropriations for Disaster Relief Requirements Act include:
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USGS Factsheet: 2018 Hurricane and Wildfire Supplemental Funding: USGS Recovery Activities
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Filter Total Items: 23
Crocker Reef, Florida, 2017-2018 Seafloor Elevation Stability Models, Maps, and Tables Crocker Reef, Florida, 2017-2018 Seafloor Elevation Stability Models, Maps, and Tables
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) conducted research to identify areas of seafloor elevation stability and instability based on elevation changes between the years of 2017 and 2018 at Crocker Reef near Islamorada, Florida, within a 6.11 square-kilometer area. USGS SPCMSC staff used seafloor elevation-change data from Yates and...
Crocker Reef, Florida, 2016-2017 Seafloor Elevation Stability Models, Maps, and Tables Crocker Reef, Florida, 2016-2017 Seafloor Elevation Stability Models, Maps, and Tables
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) conducted research to identify areas of seafloor elevation stability and instability based on elevation changes between the years of 2016 and 2017 at Crocker Reef near Islamorada, Florida, within a 33.62 square-kilometer area. USGS SPCMSC staff used seafloor elevation-change data from Yates and...
Cross-reef wave and water level data from coral reef environments (ver. 4.0, June 2025) Cross-reef wave and water level data from coral reef environments (ver. 4.0, June 2025)
Coral reefs provide important protection for tropical coastlines against the impact of large waves and storm damage by energy dissipation through wave breaking and bottom friction. However, climate change and sea level rise have led to growing concern for how the hydrodynamics across these reefs will evolve and whether these changes will leave tropical coastlines more vulnerable to large...
Lidar-derived Beach Morphology (Dune Crest, Dune Toe, and Shoreline) for U.S. Sandy Coastlines Lidar-derived Beach Morphology (Dune Crest, Dune Toe, and Shoreline) for U.S. Sandy Coastlines
The U.S. Geological Survey (USGS)Coastal Change Hazards Technical Capabilities and Applications (TCA) project aims to identify areas of the nation’s coastline that are most vulnerable to extreme storms and long-term shoreline change. These assessments require coastal elevation data across diverse geographic regions and covering a time span of many years. The datasets published here...
Hillslope hydrologic monitoring data following Hurricane Maria in 2017, Puerto Rico, July 2018 to June 2020 Hillslope hydrologic monitoring data following Hurricane Maria in 2017, Puerto Rico, July 2018 to June 2020
This data release includes time-series, qualitative descriptions, and laboratory testing data from two monitoring stations installed in Puerto Rico following Hurricane Maria in 2017, which led to tens of thousands of landslides across the island (Bessette-Kirton et al., 2017). The stations were installed in July of 2018 to investigate subsurface hydrologic response to rainfall and...
Results from frequency-ratio analyses of soil classification and land use related to landslide locations in Puerto Rico following Hurricane Maria Results from frequency-ratio analyses of soil classification and land use related to landslide locations in Puerto Rico following Hurricane Maria
To better understand factors potentially contributing to the occurrence of rainfall-induced landslides in Puerto Rico, we evaluated the locations of landslides there following Hurricane Maria (Hughes et al., 2019) and potential contributing factors. This data release provides results of evaluations of landslide locations compared to soil classification and land cover, which involved...
Infiltration data collected post-Hurricane Maria across landslide source area materials, Puerto Rico, USA Infiltration data collected post-Hurricane Maria across landslide source area materials, Puerto Rico, USA
This Data Release includes information to support the characterization of surface/near-surface infiltration rates of selected landslide source area materials following Hurricane Maria across Puerto Rico, USA. The dataset includes comma-delimited measurements of field-saturated hydraulic conductivity (Kfs) collected over two field campaigns (Fall 2018 and Spring 2019) as well as...
Map of slope-failure locations in Puerto Rico after Hurricane Maria Map of slope-failure locations in Puerto Rico after Hurricane Maria
In Puerto Rico, tens of thousands of landslides, slumps, debris flows, rock falls, and other slope failures were triggered by Hurricane Maria, which made landfall on 20 September 2017. "Landslide" is used here and below to represent all types of slope failures. This dataset is a point shapefile of landslide headscarps identified across Puerto Rico using georeferenced aerial and satellite...
Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands, Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands,
This data release provides flooding extent polygons (flood masks) and depth values (flood points) based on wave-driven total water levels for 22 locations within the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands, and the Commonwealth of the Northern Mariana Islands. For each of the 22 locations there are eight associated...
Total Water Level and Coastal Change Forecast Viewer Total Water Level and Coastal Change Forecast Viewer
Total water level (TWL) at the shoreline is the combination of tides, surge, and wave runup. A forecast of TWL is an estimate of the elevation where the ocean will meet the coast and can provide guidance on potential coastal erosion and flooding hazards.
By
Natural Hazards Mission Area, Water Resources Mission Area, Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center, Supplemental Appropriations for Disaster Recovery Activities, Hurricane Dorian, Hurricane Florence, Hurricane Harvey, Hurricane Irma, Hurricane Isaias, Hurricane Jose, Hurricane Laura, Hurricane Marco, Hurricane Maria, Hurricane Matthew, Hurricane Michael, Hurricane Nate, Hurricane Sandy, Hurricanes
Map data showing concentration of landslides caused by Hurricane Maria in Puerto Rico 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...
Filter Total Items: 21
Mobility characteristics of landslides triggered by Hurricane Maria in Puerto Rico Mobility characteristics of landslides triggered by Hurricane Maria in Puerto Rico
Mobility is an important element of landslide hazard and risk assessments yet has been seldom studied for shallow landslides and debris flows in tropical environments. In September 2017, Hurricane Maria triggered > 70,000 landslides across Puerto Rico. Using aerial imagery and a lidar digital elevation model (DEM), we mapped and characterized the mobility of debris slides and flows in...
Authors
Erin K. Bessette-Kirton, Jeffrey A. Coe, William H. Schulz, Corina Cerovski-Darriau, Mason Muir Einbund
Accurate bathymetric maps from underwater digital imagery without ground control Accurate bathymetric maps from underwater digital imagery without ground control
Structure-from-Motion (SfM) photogrammetry can be used with digital underwater photographs to generate high-resolution bathymetry and orthomosaics with millimeter-to-centimeter scale resolution at relatively low cost. Although these products are useful for assessing species diversity and health, they have additional utility for quantifying benthic community structure, such as coral...
Authors
Gerry A. Hatcher, Jonathan A. Warrick, Andrew C. Ritchie, Evan T. Dailey, David G. Zawada, Christine J. Kranenburg, Kimberly K. Yates
Map depicting susceptibility to landslides triggered by intense rainfall, Puerto Rico Map depicting susceptibility to landslides triggered by intense rainfall, Puerto Rico
Landslides in Puerto Rico range from nuisances to deadly events. Centuries of agricultural and urban modification of the landscape have perturbed many already unstable hillsides on the tropical island. One of the main triggers of mass wasting on the island is the high-intensity rainfall that is associated with tropical atmospheric systems. Puerto Rico’s geographic position and rugged...
Authors
K. Stephen Hughes, William H. Schulz
Potential duration of aftershocks of the 2020 southwestern Puerto Rico earthquake Potential duration of aftershocks of the 2020 southwestern Puerto Rico earthquake
Abstract Aftershocks (earthquakes clustered spatially and chronologically near the occurrence of a causative earthquake) are ongoing in southwestern Puerto Rico after a series of earthquakes, which include a magnitude 6.4 earthquake that occurred near Barrio Indios, Guayanilla, on January 7, 2020, and affected the surrounding area. This report estimates the expected duration of these...
Authors
Nicholas van der Elst, Jeanne L. Hardebeck, Andrew J. Michael
Underwater photographic reconnaissance and habitat data collection in the Florida Keys—A procedure for ground truthing remotely sensed bathymetric data Underwater photographic reconnaissance and habitat data collection in the Florida Keys—A procedure for ground truthing remotely sensed bathymetric data
Bathymetric geoprocessing analyses of the Florida Reef Tract have provided insights into trends of seafloor accretion and seafloor erosion over time and following major storm events. However, bathymetric surveys sometimes capture manmade structures and vegetation, which do not represent the desired bare-earth data. Therefore, ground truthing is essential to maintain the most accurate...
Authors
Zachery W. Fehr, Kimberly K. Yates
Forecasts of coastal change hazards Forecasts of coastal change hazards
Model predictions of severe storm impacts provide coastal residents, emergency managers, and partner organizations valuable predictive information for planning and response to extreme storm events. The foundation of this work is a USGS-developed numerical model to forecast storm-induced coastal water levels and expected coastal change, including dune erosion, overwash, and inundation...
Authors
Kara S. Doran, Hilary F. Stockdon, Joseph Long, Nathaniel G. Plant
Landslides triggered by Hurricane Maria: Assessment of an extreme event in Puerto Rico Landslides triggered by Hurricane Maria: Assessment of an extreme event in Puerto Rico
Hurricane Maria hit the island of Puerto Rico on 20 September 2017 and triggered more than 40,000 landslides in at least three-fourths of Puerto Rico’s 78 municipalities. The number of landslides that occurred during this event was two orders of magnitude greater than those reported from previous hurricanes. Landslide source areas were commonly limited to surficial soils but also...
Authors
Erin Bessette-Kirton, Corina Cerovski-Darriau, William H. Schulz, Jeffrey A. Coe, Jason W. Kean, Jonathan W. Godt, Matthew A. Thomas, K. Stephen Hughes
2018 hurricane and wildfire supplemental funding: USGS recovery activities 2018 hurricane and wildfire supplemental funding: USGS recovery activities
The Additional Supplemental Appropriations for Disaster Relief Requirements Act, 2018 (P.L. 115-123), was signed by the President on February 9, 2018. This funding provided $42.2 million to the U.S. Geological Survey (USGS) for equipment repair and replacement, high-resolution elevation data collection in both hurricane- and wildfire-impacted areas, and scientific studies and assessments...
Authors
Jo Ellen Hinck, Joseph Stachyra
By
Ecosystems Mission Area, Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Columbia Environmental Research Center, Pacific Coastal and Marine Science Center, Supplemental Appropriations for Disaster Recovery Activities, Hurricane Harvey, Hurricane Irma, Hurricane Maria, Wildland Fire Science
Divergence of seafloor elevation and sea level rise in coral reef ecosystems Divergence of seafloor elevation and sea level rise in coral reef ecosystems
Coral reefs serve as natural barriers that protect adjacent shorelines from coastal hazards such as storms, waves, and erosion. Projections indicate global degradation of coral reefs due to anthropogenic impacts and climate change will cause a transition to net erosion by mid-century. Here, we provide a comprehensive assessment of the combined effect of all of the processes affecting...
Authors
Kimberly K. Yates, David G. Zawada, Nathan A. Smiley, Ginger Tiling-Range
Related
Filter Total Items: 23
Crocker Reef, Florida, 2017-2018 Seafloor Elevation Stability Models, Maps, and Tables Crocker Reef, Florida, 2017-2018 Seafloor Elevation Stability Models, Maps, and Tables
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) conducted research to identify areas of seafloor elevation stability and instability based on elevation changes between the years of 2017 and 2018 at Crocker Reef near Islamorada, Florida, within a 6.11 square-kilometer area. USGS SPCMSC staff used seafloor elevation-change data from Yates and...
Crocker Reef, Florida, 2016-2017 Seafloor Elevation Stability Models, Maps, and Tables Crocker Reef, Florida, 2016-2017 Seafloor Elevation Stability Models, Maps, and Tables
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) conducted research to identify areas of seafloor elevation stability and instability based on elevation changes between the years of 2016 and 2017 at Crocker Reef near Islamorada, Florida, within a 33.62 square-kilometer area. USGS SPCMSC staff used seafloor elevation-change data from Yates and...
Cross-reef wave and water level data from coral reef environments (ver. 4.0, June 2025) Cross-reef wave and water level data from coral reef environments (ver. 4.0, June 2025)
Coral reefs provide important protection for tropical coastlines against the impact of large waves and storm damage by energy dissipation through wave breaking and bottom friction. However, climate change and sea level rise have led to growing concern for how the hydrodynamics across these reefs will evolve and whether these changes will leave tropical coastlines more vulnerable to large...
Lidar-derived Beach Morphology (Dune Crest, Dune Toe, and Shoreline) for U.S. Sandy Coastlines Lidar-derived Beach Morphology (Dune Crest, Dune Toe, and Shoreline) for U.S. Sandy Coastlines
The U.S. Geological Survey (USGS)Coastal Change Hazards Technical Capabilities and Applications (TCA) project aims to identify areas of the nation’s coastline that are most vulnerable to extreme storms and long-term shoreline change. These assessments require coastal elevation data across diverse geographic regions and covering a time span of many years. The datasets published here...
Hillslope hydrologic monitoring data following Hurricane Maria in 2017, Puerto Rico, July 2018 to June 2020 Hillslope hydrologic monitoring data following Hurricane Maria in 2017, Puerto Rico, July 2018 to June 2020
This data release includes time-series, qualitative descriptions, and laboratory testing data from two monitoring stations installed in Puerto Rico following Hurricane Maria in 2017, which led to tens of thousands of landslides across the island (Bessette-Kirton et al., 2017). The stations were installed in July of 2018 to investigate subsurface hydrologic response to rainfall and...
Results from frequency-ratio analyses of soil classification and land use related to landslide locations in Puerto Rico following Hurricane Maria Results from frequency-ratio analyses of soil classification and land use related to landslide locations in Puerto Rico following Hurricane Maria
To better understand factors potentially contributing to the occurrence of rainfall-induced landslides in Puerto Rico, we evaluated the locations of landslides there following Hurricane Maria (Hughes et al., 2019) and potential contributing factors. This data release provides results of evaluations of landslide locations compared to soil classification and land cover, which involved...
Infiltration data collected post-Hurricane Maria across landslide source area materials, Puerto Rico, USA Infiltration data collected post-Hurricane Maria across landslide source area materials, Puerto Rico, USA
This Data Release includes information to support the characterization of surface/near-surface infiltration rates of selected landslide source area materials following Hurricane Maria across Puerto Rico, USA. The dataset includes comma-delimited measurements of field-saturated hydraulic conductivity (Kfs) collected over two field campaigns (Fall 2018 and Spring 2019) as well as...
Map of slope-failure locations in Puerto Rico after Hurricane Maria Map of slope-failure locations in Puerto Rico after Hurricane Maria
In Puerto Rico, tens of thousands of landslides, slumps, debris flows, rock falls, and other slope failures were triggered by Hurricane Maria, which made landfall on 20 September 2017. "Landslide" is used here and below to represent all types of slope failures. This dataset is a point shapefile of landslide headscarps identified across Puerto Rico using georeferenced aerial and satellite...
Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands, Projected flooding extents and depths based on 10-, 50-, 100-, and 500-year wave-energy return periods, with and without coral reefs, for the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands,
This data release provides flooding extent polygons (flood masks) and depth values (flood points) based on wave-driven total water levels for 22 locations within the States of Hawaii and Florida, the Territories of Guam, American Samoa, Puerto Rico, and the U.S. Virgin Islands, and the Commonwealth of the Northern Mariana Islands. For each of the 22 locations there are eight associated...
Total Water Level and Coastal Change Forecast Viewer Total Water Level and Coastal Change Forecast Viewer
Total water level (TWL) at the shoreline is the combination of tides, surge, and wave runup. A forecast of TWL is an estimate of the elevation where the ocean will meet the coast and can provide guidance on potential coastal erosion and flooding hazards.
By
Natural Hazards Mission Area, Water Resources Mission Area, Coastal and Marine Hazards and Resources Program, St. Petersburg Coastal and Marine Science Center, Supplemental Appropriations for Disaster Recovery Activities, Hurricane Dorian, Hurricane Florence, Hurricane Harvey, Hurricane Irma, Hurricane Isaias, Hurricane Jose, Hurricane Laura, Hurricane Marco, Hurricane Maria, Hurricane Matthew, Hurricane Michael, Hurricane Nate, Hurricane Sandy, Hurricanes
Map data showing concentration of landslides caused by Hurricane Maria in Puerto Rico 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...
Filter Total Items: 21
Mobility characteristics of landslides triggered by Hurricane Maria in Puerto Rico Mobility characteristics of landslides triggered by Hurricane Maria in Puerto Rico
Mobility is an important element of landslide hazard and risk assessments yet has been seldom studied for shallow landslides and debris flows in tropical environments. In September 2017, Hurricane Maria triggered > 70,000 landslides across Puerto Rico. Using aerial imagery and a lidar digital elevation model (DEM), we mapped and characterized the mobility of debris slides and flows in...
Authors
Erin K. Bessette-Kirton, Jeffrey A. Coe, William H. Schulz, Corina Cerovski-Darriau, Mason Muir Einbund
Accurate bathymetric maps from underwater digital imagery without ground control Accurate bathymetric maps from underwater digital imagery without ground control
Structure-from-Motion (SfM) photogrammetry can be used with digital underwater photographs to generate high-resolution bathymetry and orthomosaics with millimeter-to-centimeter scale resolution at relatively low cost. Although these products are useful for assessing species diversity and health, they have additional utility for quantifying benthic community structure, such as coral...
Authors
Gerry A. Hatcher, Jonathan A. Warrick, Andrew C. Ritchie, Evan T. Dailey, David G. Zawada, Christine J. Kranenburg, Kimberly K. Yates
Map depicting susceptibility to landslides triggered by intense rainfall, Puerto Rico Map depicting susceptibility to landslides triggered by intense rainfall, Puerto Rico
Landslides in Puerto Rico range from nuisances to deadly events. Centuries of agricultural and urban modification of the landscape have perturbed many already unstable hillsides on the tropical island. One of the main triggers of mass wasting on the island is the high-intensity rainfall that is associated with tropical atmospheric systems. Puerto Rico’s geographic position and rugged...
Authors
K. Stephen Hughes, William H. Schulz
Potential duration of aftershocks of the 2020 southwestern Puerto Rico earthquake Potential duration of aftershocks of the 2020 southwestern Puerto Rico earthquake
Abstract Aftershocks (earthquakes clustered spatially and chronologically near the occurrence of a causative earthquake) are ongoing in southwestern Puerto Rico after a series of earthquakes, which include a magnitude 6.4 earthquake that occurred near Barrio Indios, Guayanilla, on January 7, 2020, and affected the surrounding area. This report estimates the expected duration of these...
Authors
Nicholas van der Elst, Jeanne L. Hardebeck, Andrew J. Michael
Underwater photographic reconnaissance and habitat data collection in the Florida Keys—A procedure for ground truthing remotely sensed bathymetric data Underwater photographic reconnaissance and habitat data collection in the Florida Keys—A procedure for ground truthing remotely sensed bathymetric data
Bathymetric geoprocessing analyses of the Florida Reef Tract have provided insights into trends of seafloor accretion and seafloor erosion over time and following major storm events. However, bathymetric surveys sometimes capture manmade structures and vegetation, which do not represent the desired bare-earth data. Therefore, ground truthing is essential to maintain the most accurate...
Authors
Zachery W. Fehr, Kimberly K. Yates
Forecasts of coastal change hazards Forecasts of coastal change hazards
Model predictions of severe storm impacts provide coastal residents, emergency managers, and partner organizations valuable predictive information for planning and response to extreme storm events. The foundation of this work is a USGS-developed numerical model to forecast storm-induced coastal water levels and expected coastal change, including dune erosion, overwash, and inundation...
Authors
Kara S. Doran, Hilary F. Stockdon, Joseph Long, Nathaniel G. Plant
Landslides triggered by Hurricane Maria: Assessment of an extreme event in Puerto Rico Landslides triggered by Hurricane Maria: Assessment of an extreme event in Puerto Rico
Hurricane Maria hit the island of Puerto Rico on 20 September 2017 and triggered more than 40,000 landslides in at least three-fourths of Puerto Rico’s 78 municipalities. The number of landslides that occurred during this event was two orders of magnitude greater than those reported from previous hurricanes. Landslide source areas were commonly limited to surficial soils but also...
Authors
Erin Bessette-Kirton, Corina Cerovski-Darriau, William H. Schulz, Jeffrey A. Coe, Jason W. Kean, Jonathan W. Godt, Matthew A. Thomas, K. Stephen Hughes
2018 hurricane and wildfire supplemental funding: USGS recovery activities 2018 hurricane and wildfire supplemental funding: USGS recovery activities
The Additional Supplemental Appropriations for Disaster Relief Requirements Act, 2018 (P.L. 115-123), was signed by the President on February 9, 2018. This funding provided $42.2 million to the U.S. Geological Survey (USGS) for equipment repair and replacement, high-resolution elevation data collection in both hurricane- and wildfire-impacted areas, and scientific studies and assessments...
Authors
Jo Ellen Hinck, Joseph Stachyra
By
Ecosystems Mission Area, Natural Hazards Mission Area, Coastal and Marine Hazards and Resources Program, Columbia Environmental Research Center, Pacific Coastal and Marine Science Center, Supplemental Appropriations for Disaster Recovery Activities, Hurricane Harvey, Hurricane Irma, Hurricane Maria, Wildland Fire Science
Divergence of seafloor elevation and sea level rise in coral reef ecosystems Divergence of seafloor elevation and sea level rise in coral reef ecosystems
Coral reefs serve as natural barriers that protect adjacent shorelines from coastal hazards such as storms, waves, and erosion. Projections indicate global degradation of coral reefs due to anthropogenic impacts and climate change will cause a transition to net erosion by mid-century. Here, we provide a comprehensive assessment of the combined effect of all of the processes affecting...
Authors
Kimberly K. Yates, David G. Zawada, Nathan A. Smiley, Ginger Tiling-Range