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University
Flood Hazard Area
Earth Data Analysis Center, University of New Mexico —
The National Flood Hazard Layer (NFHL) data incorporates all Digital Flood Insurance Rate Map(DFIRM) databases published by FEMA, and any Letters Of Map Revision... -
Federal
USGS National Geologic Map Database Collection NGDA
Department of the Interior —
The National Geologic Map Database (NGMDB) is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information. The Geologic... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
NOAA Electronic Navigational Charts (ENC) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The Office of Coast Survey (OCS) has been involved in the development of a NOAA Electronic Navigational Chart (NOAA ENC) suite to support the marine transportation... -
Federal
Topobathymetric Model of the Northern Gulf of Mexico, 1885 to 2021
Department of the Interior —
To support U.S. Army Corps of Engineers (USACE) storm surge modeling for the Louisiana Coastal Protection and Restoration Authority (CPRA), Lowermost Mississippi... -
University
FIRM Panels
Earth Data Analysis Center, University of New Mexico —
The National Flood Hazard Layer (NFHL) data incorporates all Digital Flood Insurance Rate Map(DFIRM) databases published by FEMA, and any Letters Of Map Revision... -
Federal
Preliminary Landslide Inventory for Landslides Triggered by Hurricane Helene (September 2024)
Department of the Interior —
We present a preliminary point inventory of landslides triggered by Hurricane Helene, which impacted southern Appalachia between September 25–27, 2024. This inventory... -
Federal
Data Release for the 2023 U.S. 50-State National Seismic Hazard Model - Overview
Department of the Interior —
The U.S. National Seismic Hazard Model (NSHM) was updated in 2023 for all 50 states using the best available science related to earthquake seismicity, fault ruptures,... -
University
2013 FEMA Cross Sections
Earth Data Analysis Center, University of New Mexico —
The National Flood Hazard Layer (NFHL) data incorporates all Digital Flood Insurance Rate Map(DFIRM) databases published by FEMA, and any Letters Of Map Revision... -
Federal
A seamless, high-resolution, coastal digital elevation model (DEM) for Southern California
Department of the Interior —
A seamless, three-meter digital elevation model (DEM) was constructed for the entire Southern California coastal zone, extending 473 km from Point Conception to the... -
Federal
Peak ground acceleration with a 2% probability of exceedance in 50 years
Department of the Interior —
A seismic hazard model for South America, based on a smoothed (gridded) seismicity model, a subduction model, a crustal fault model, and a ground motion model, has... -
Federal
Activity FACTS Common Attributes (Feature Layer)
Department of Agriculture —
The data in this map service is updated every weekend.Note: This data includes all activities regardless of whether there is a spatial feature attached.Note: This is... -
Federal
Aerial Imagery of the Florida Gulf Coast: 2024-10-01 to 2024-10-04, Post-Hurricane Helene
Department of the Interior —
The U.S. Geological Survey (USGS) Remote Sensing Coastal Change (RSCC) project collects aerial imagery along coastal swaths with optimized endlap/sidelap and precise... -
Federal
Digital Geologic and Volcanic Hazards Map for Crater Lake National Park and Vicinity, Oregon (NPS, GRD, GRI, CRLA, CLHZ digital map)
Department of the Interior —
The Digital Geologic and Volcanic Hazards Map for Crater Lake National Park and Vicinity, Oregon is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR)... -
Federal
Data for multiple linear regression models for predicting microcystin concentration action-level exceedances in selected lakes in Ohio
Department of the Interior —
Site-specific multiple linear regression models were developed for eight sites in Ohio—six in the Western Lake Erie Basin and two in northeast Ohio on inland... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
Updated Compilation of VS30 Data for the United States
Department of the Interior —
VS30, the time-averaged shear-wave velocity (VS) to a depth of 30 meters, is a key index adopted by the earthquake engineering community to account for seismic site... -
Federal
Seismic Station Compilation
Department of the Interior —
Near-surface site characteristics are critical for accurately modeling ground motion, which in turn influences seismic hazard analysis and design of critical... -
Federal
Wildfire Hazard Potential, Version 2023 Continuous (Image Service)
Department of Agriculture —
Note: This Wildfire Hazard Potential (WHP) image service has been deprecated. Previous versions—including 2014, 2018, 2020, and 2023 continuous and classified... -
Federal
Digital Shoreline Analysis System (DSAS) version 5.0 transects with shoreline rate change calculations at Barter Island Alaska, 1947 to 2020
Department of the Interior —
This dataset consists of rate-of-change statistics for the shorelines at Barter Island, Alaska for the time period 1947 to 2020. Rate calculations were computed...