Alaska Mapping Resources This page provides links to publicly available technical mapping resources that support research, planning, and decision-making related to environmental change and natural hazards in Alaska. Resources are drawn from state and federal partner agencies and include maps and datasets addressing flooding, coastal change, permafrost, elevation, climate conditions, and other hazard-related topics. The purpose of this page is to improve access to reliable mapping tools and data used in resilience planning, hazard mitigation, and community risk awareness across Alaska. Intended Audience Local, Tribal, and regional governments Floodplain administrators and emergency managers Planners, engineers, and technical staff Researchers and partner agencies Community leaders seeking hazard and environmental data Mapping Resource Categories Alaska Division of Geological & Geophysical Surveys (DGGS) – Maps & Geospatial Data Comprehensive mapping products from DGGS including geology, permafrost, coastal change, elevation, hazards, and geospatial datasets used for planning, hazard assessment, and environmental analysis in Alaska. Geologic Map of Alaska Statewide bedrock and surficial geology map — foundational for terrain understanding, landslide susceptibility, and regional hazard context. https://dggs.alaska.gov/pubs/id/29944 Geologic Map Index of Alaska Interactive index map showing the footprint of published DGGS and partner geologic maps across the state — a great starting point for detailed map retrieval. https://dggs.alaska.gov/maps-data/geologic-map-index.html Surficial Geology Mapping Maps of unconsolidated surface materials (e.g., moraine, alluvium) used for floodplain, permafrost, and infrastructure siting analysis. https://dggs.alaska.gov/maps-data/surficial-geology.html Permafrost and Frozen Ground Maps Statewide and regional maps identifying permafrost distribution, ice content, and ground temperature — crucial for climate resilience and infrastructure planning. https://dggs.alaska.gov/hazards/permafrost.html Coastal Change and Shoreline Mapping Baseline coastal maps and change detection mapping documenting shoreline erosion, flood exposure, and coastal vulnerability in Alaska communities. https://dggs.alaska.gov/hazards/coastal.html LiDAR & High-Resolution Elevation Data Accessible elevation and bare-earth models derived from LiDAR where available — supports flood modeling, terrain analysis, and engineering design. https://dggs.alaska.gov/maps-data/elevation.html Seismic Hazards Mapping Maps showing active fault zones, seismic risk, and ground shaking estimates for planning and building code reference. https://dggs.alaska.gov/hazards/seismic.html Landslide Hazard Maps and Inventories Mapping of known landslide locations and susceptibility zones — important for erosion, infrastructure risk, and emergency planning. https://dggs.alaska.gov/hazards/landslides.html DGGS Geospatial Data Catalog A comprehensive portal for downloadable GIS datasets covering geology, hazards, elevation, surficial materials, and allied spatial layers with metadata. https://dggs.alaska.gov/pubs/digitaldata Geologic Map Viewer (Interactive) An interactive map viewer that lets users visualize DGGS geologic maps as layers, overlay with basemaps, and access map metadata. https://maps.dggs.alaska.gov/gmv/ Alaska Geothermal Maps Interactive mapping and downloadable data showing estimated geothermal potential and heat flow — useful for energy planning and permafrost interaction studies. https://dggs.alaska.gov/hazards/geothermal.html Karst and Sinkhole Mapping Maps documenting karst terrain and sinkhole susceptibility — relevant to groundwater vulnerability and land stability assessments. https://dggs.alaska.gov/hazards/karst.html National Oceanic and Atmospheric Administration (NOAA) – Maps & Spatial Tools NOAA interactive maps, coastal viewers, environmental spatial data tools and datasets relevant for hazard analysis, coastal change, water levels, oceanographic conditions, weather, and climate in Alaska. NOAA Digital Coast – Alaska Region Central entry point to NOAA’s coastal mapping tools, data, and applications tailored to Alaska — includes inundation, water levels, shoreline, and habitat layers. https://coast.noaa.gov/digitalcoast/regions/alaska.html NOAA Data Access Viewer Interactive map viewer for visualizing and downloading coastal spatial datasets such as LiDAR elevation, shoreline change, land cover, and flood risk layers. https://coast.noaa.gov/dataviewer/ Sea Level Rise Viewer NOAA’s official visualization tool for exploring sea level rise scenarios, coastal flooding, tidal inundation, and adaptation planning layers. https://coast.noaa.gov/digitalcoast/tools/slr.html Coastal Flood Exposure Mapper Map-based tool combining elevation, flood frequency, sea level rise, and social vulnerability data to identify coastal exposure and impacted assets. https://coast.noaa.gov/digitalcoast/tools/flood-exposure.html Tides & Currents – Water Level Stations Interactive map of tide gauges showing real-time and historical water levels, extreme sea levels, and tidal predictions relevant for coastal flooding analysis. https://tidesandcurrents.noaa.gov/ National Water Level Observation Network (NWLON) Map interface showing tide gauges integrated with NOAA’s water level network — useful to evaluate long-term coastal trend and storm surge exposure. https://tidesandcurrents.noaa.gov/nwlon/ Shoreline Data Explorer Portal for accessing NOAA’s continually updated shoreline datasets — a key baseline map layer when analyzing coastal change over time. https://www.noaa.gov/shoreline Coast Survey – Navigation Charts & Bathymetry Interactive chart viewer showing nautical charts, hydrographic survey data, and seafloor information important for coastal and marine hazard planning. https://www.nauticalcharts.noaa.gov/ NOAA Weather Radar & Forecast Map Interactive weather radar and forecast maps showing precipitation, storm structure, and severe weather conditions across Alaska. https://radar.weather.gov/ National Weather Service (NWS) Current Hazards Map NOAA/NWS map displaying real-time warnings and hazard areas — useful context for flood, wind, and severe weather planning. https://www.weather.gov/ NOAA OceanWatch Oceanographic map viewer showing sea surface temperature, ice concentration, chlorophyll, and other marine environmental variables (helpful for climate & marine condition assessments). https://oceanwatch.pifsc.noaa.gov/erddap/index.html National Coastal Population Viewer Map showing coastal population and housing exposure relative to sea level rise thresholds and inundation zones — useful for risk assessment at community scale. https://coast.noaa.gov/digitalcoast/tools/population.html NOAA Digital Coast Data Catalog Complete searchable catalog of NOAA coastal GIS datasets including elevation, shoreline change, habitat, socioeconomics, and more — with metadata and download access. https://coast.noaa.gov/digitalcoast/data/ NOAA Fisheries (NMFS) – Alaska Maps & Spatial Tools Marine habitat, essential fish habitat (EFH), protected species, and ocean planning tools supporting coastal and marine work in Alaska. Essential Fish Habitat (EFH) Mapper Interactive map displaying designated Essential Fish Habitat areas for federally managed species in Alaska waters. https://www.habitat.noaa.gov/apps/efhmapper/ NOAA Fisheries Alaska Habitat Conservation Habitat conservation program hub and mapping resources supporting coastal and marine planning in Alaska. https://www.fisheries.noaa.gov/alaska/habitat-conservation Protected Resources – Alaska Program hub for protected species work in Alaska, including spatial datasets and mapping resources where available. https://www.fisheries.noaa.gov/alaska/protected-resources Bureau of Land Management (BLM) – Alaska Maps & Land Status Federal land ownership, land status, planning areas, and resource management mapping tools for lands administered by BLM in Alaska. BLM Navigator (Land & Resource Viewer) Interactive map showing BLM-managed lands, land status, resource management plans, and surface management boundaries. https://navigator.blm.gov/ BLM Geospatial Data (GIS Data & Services) Downloadable GIS datasets and web services for BLM land management layers (national portal; use Alaska filters where applicable). https://www.blm.gov/services/geospatial/GISData BLM Alaska Alaska program landing page with links to planning areas, management information, and map-linked resources. https://www.blm.gov/alaska Environmental Protection Agency (EPA) – Alaska Maps & Environmental Data Environmental screening and mapping tools including environmental justice indicators, cleanup sites, and water quality monitoring data relevant to Alaska communities. EJScreen – Environmental Justice Mapping Tool Interactive screening tool combining environmental and demographic indicators to support community-level analysis. https://www.epa.gov/ejscreen Cleanups in My Community Map-based tool identifying Superfund sites, brownfields, and other cleanup locations across Alaska and the U.S. https://www.epa.gov/cleanups/cleanups-my-community Water Quality Portal Interactive access to water monitoring stations and sampling data from federal and state partners (filter to Alaska as needed). https://www.waterqualitydata.us/portal/ EPA Climate Change Indicators Indicator pages and datasets related to climate trends and impacts (including coastal and environmental change indicators). https://www.epa.gov/climate-indicators Federal Emergency Management Agency (FEMA) – Maps & Spatial Tools Authoritative flood hazard maps, risk assessment tools, and multi-hazard datasets supporting floodplain management, Risk MAP implementation, and community resilience planning. Flood Map Service Center (FMSC) Official FEMA portal for searching and downloading Flood Insurance Rate Maps (FIRMs), Flood Hazard Boundary Maps (FHBMs), and Flood Insurance Study documents by location. https://msc.fema.gov/portal/home National Flood Hazard Layer (NFHL) Viewer Interactive map displaying FEMA’s authoritative flood hazard data, including Special Flood Hazard Areas (SFHAs), Base Flood Elevations, and effective FIRM panels. https://hazards.fema.gov/femaportal/wps/portal/NFHLMaps National Risk Index (NRI) Web-based mapping application providing relative risk scores for multiple natural hazards, including flooding, earthquake, wildfire, and community vulnerability indicators. https://hazards.fema.gov/nri/map Risk Mapping, Assessment, and Planning (Risk MAP) Tools FEMA’s central portal for Risk MAP tools, datasets, and supporting analytical resources used to communicate flood risk and mitigation opportunities. https://www.fema.gov/flood-maps/tools-resources/risk-map Hazus – Loss & Risk Estimation Tool GIS-based software and associated datasets used to estimate potential losses from floods, earthquakes, tsunamis, and other hazards. https://www.fema.gov/flood-maps/products-tools/hazus Coastal Flood Hazard Mapping Guidance Technical guidance and coastal flood hazard datasets supporting coastal flood studies, wave analysis, and shoreline risk assessment. https://www.fema.gov/flood-maps/products-tools/coastal-flood-guidelines Community Rating System (CRS) Resources Information and mapping context supporting improved floodplain management practices and insurance premium reductions for participating communities. https://www.fema.gov/floodplain-management/community-rating-system Wildfire Hazard Potential Map Interactive mapping tool displaying wildfire hazard potential data, useful for multi-hazard planning and resilience analysis. https://www.fema.gov/emergency-managers/risk-management/wildfire-mitigation Tsunami Hazard Mitigation Resources FEMA-supported tsunami hazard planning guidance and mapping resources where regionally available. https://www.fema.gov/emergency-managers/practitioners/hazard-mitigation-planning/tsunami Alaska Native Tribal Health Consortium (ANTHC) – Maps & Dashboards Interactive maps and dashboards supporting environmental change, climate impacts, and community health information in Alaska. ANTHC Alaska Native Epidemiology Center – Data Dashboard Interactive dashboard providing recent public health data at state and regional scales (useful for pairing health indicators with hazard exposure planning). https://epi.anthc.org/data-dashboard/ ANTHC Center for Climate and Health – Climate Initiatives Program hub for climate-and-health work; a good “landing page” for climate-related mapping and community-facing resources hosted by ANTHC. https://anthc.org/environmental-health-engineering/climate-initiatives/ LEO Network (Local Environmental Observer) – Alaska Hub Map-based platform for sharing locally observed environmental events and impacts across Alaska communities. https://www.leonetwork.org/leo/hubpage/ALASKA ANTHC ClimeMap Interactive map tracking climate change–related events and observations across the circumpolar north, hosted through the LEO Network Alaska hub. https://www.leonetwork.org/leo/hubpage/ALASKA?show=climemap Alaska’s Environmentally Threatened Communities (ANTHC / DCRA) StoryMap providing access to maps and a community dashboard highlighting environmentally threatened communities and infrastructure impacts. https://storymaps.arcgis.com/stories/2a0d221e55ca48dd8092427b50a98804 ANTHC Center for Climate and Health – Alaska StoryMap ANTHC-hosted StoryMap overview focused on climate impacts and adaptation context for Alaska communities. https://storymaps.arcgis.com/stories/617b5c9aca81458f82f4f6e25d7295ca University of Alaska Fairbanks – Climate & SNAP Mapping Tools Climate monitoring, trend analysis, projections, and spatial datasets from the University of Alaska Fairbanks, including the Alaska Climate Research Center (ACRC), International Arctic Research Center (IARC), and the Scenarios Network for Alaska + Arctic Planning (SNAP). Alaska Climate Research Center (ACRC) Official source for Alaska climate normals, temperature and precipitation records, and historical climate extremes. https://climate.gi.alaska.edu/ Alaska Climate Trends Maps Map-based viewer displaying statewide patterns of temperature and precipitation trends across Alaska. https://climate.gi.alaska.edu/ClimTrends/Maps/ Alaska Climate Dashboard Interactive dashboard showing temperature, precipitation, drought, and climate indicators across Alaska regions. https://gi.alaska.edu/weather/climate-dashboard International Arctic Research Center (IARC) Arctic system research and climate outlooks including map-based analyses and seasonal forecasting resources. https://uaf-iarc.org/research/climate/ SNAP Climate Tools Interactive tools generating maps, charts, and downloadable spatial data for Alaska climate variables such as precipitation, freeze/thaw cycles, and temperature projections. https://uaf-snap.org/climate-tools/ SNAP GeoNetwork – Climate Model Spatial Datasets Searchable catalog of downscaled climate model outputs and GIS-ready spatial datasets (GeoTIFF, NetCDF, etc.) covering Alaska and the Arctic. https://catalog.snap.uaf.edu/geonetwork/ U.S. Army Corps of Engineers (USACE) – Alaska Maps & Geospatial Data Geospatial data, water resource maps, and open data tools from the U.S. Army Corps of Engineers that support flood risk management, navigation surveys, and civil works planning in Alaska. USACE Geospatial Open Data Portal Searchable collection of Corps geospatial data, map layers, and web services — including navigation facilities, waterway infrastructure, and project datasets useful for planning and analysis. https://geospatial-usace.opendata.arcgis.com/ USACE Water Data Map Viewer Interactive platform for exploring USACE water resource data (including flood control, reservoirs, infrastructure, and hydrology) with mapping visualization tools. https://water.usace.army.mil/map USACE Alaska District Floodplain Management Services Alaska District information and floodplain mapping guidance — including technical services to identify flood hazard areas and associated planning resources (site summaries and maps available through reports). https://www.poa.usace.army.mil/About/Offices/Engineering/Floodplain-Management/ USACE Rivers & Harbors Project Maps Alaska District rivers, harbors, and navigation project maps — includes hydrographic survey maps, condition surveys, and supplemental project data useful for coastal and inland navigation planning. https://www.poa.usace.army.mil/About/Offices/Construction-Operations/Rivers-and-Harbors/ USACE FUDS GIS Interactive map of Formerly Used Defense Sites (FUDS) maintained by USACE — provides spatial access to locations where USACE conducts environmental restoration activities. (Note: national scope; filter to Alaska features in the portal). https://www.usace.army.mil/Missions/Environmental/Formerly-Used-Defense-Sites/FUDS-GIS/ U.S. Geological Survey (USGS) – Alaska Maps & Spatial Data Key USGS mapping tools and data resources for Alaska, including topographic maps, interactive viewers, and downloadable geospatial layers. The National Map Viewer Interactive web map to explore base-layer GIS data (elevation, hydrography, boundaries, structures, imagery) and Alaska US Topo maps — with tools to download data and create custom maps. https://apps.nationalmap.gov/viewer/ GIS Data Download (The National Map) Portal for downloading foundational geospatial datasets (elevation, hydrography, transportation, contours, etc.) used in Alaska hazard and terrain mapping. https://www.usgs.gov/the-national-map-data-delivery/gis-data-download US Topo Maps – Alaska Free, modernized 1:25,000-scale topographic map series for Alaska produced by USGS that overlay imagery, contours, hydrography, and infrastructure — suitable for detailed field planning and hazard context. Explore via The National Map Viewer Alaska Geologic Map (Interactive) Statewide interactive geologic map for Alaska showing rock units and geologic features with detailed descriptions — excellent for context on bedrock, structure, and broader earth history. https://alaska.usgs.gov/science/geology/state_map/interactive_map/AKgeologic_map.html Alaska Mapping Initiative (USGS) Information about the effort to modernize and produce statewide digital topographic products and foundational map layers (elevation, surface water, roads, etc.) for Alaska. https://www.usgs.gov/ngp-user-engagement-office/alaska-mapping-initiative Alaska 3DEP Elevation Data (DEMs) Seamless Alaska elevation models (2-arc-second DEMs, ~60 m) from the USGS 3D Elevation Program — base elevation data for terrain, hydrologic, and hazard modeling. https://data.usgs.gov/datacatalog/data/USGS:4bd95204-7a29-4bd4-acce-00551ecaf47a IARPC – Arctic Alaska Boundary Maps & Resources Maps and interactive tools related to the geographic scope of the Interagency Arctic Research Policy Committee (IARPC), useful for understanding Alaska’s Arctic boundary and research context. Arctic Alaska Boundary Interactive Map Interactive web mapping application showing marine and terrestrial features within the U.S. Arctic boundary area as defined for Arctic research planning. https://experience.arcgis.com/experience/097b38f1a61f4c31853ee5ce31b99a2a Maps of the Arctic Alaska Boundary Area (USGS) Series of reference map sheets depicting Alaska Arctic boundary features, bathymetry, shoreline, conservation areas, sea ice extents, and other geographic context relevant to Arctic research and policy. https://www.usgs.gov/maps/maps-arctic-alaska-boundary-area-defined-us-arctic-research-and-policy-act-including Alaska Department of Transportation & Public Facilities – Maps & Data Interactive maps and transportation data from Alaska DOT&PF supporting infrastructure planning, geohazard identification, and transportation network context across Alaska. AKDOT&PF GIS Data & Map Portal Central entry point for Alaska DOT&PF mapping resources, including transportation layers, infrastructure points, and geospatial downloads. https://akdotpf.maps.arcgis.com/home/index.html Alaska Roadway Inventory System (RIS) Interactive map displaying the statewide transportation network, including road segments, highways, bridges, and milepoint data useful for planning and analysis. https://akdot.maps.arcgis.com/apps/webappviewer/index.html?id=d26944ff477d4ce78da66d11f1cbb8e2 Alaska Bridge Inventory Map Interactive map showing locations, attributes, and conditions of bridges across Alaska — useful for infrastructure resilience and hazard planning. https://akdot.maps.arcgis.com/apps/MapSeries/index.html?appid=f68e28c1de9a4de2a09d3b0943b4b050 Alaska Transportation Asset Management Viewer Dashboard and map showing transportation assets, condition scores, and performance measures across roadways, bridges, and airports. https://akdot.maps.arcgis.com/apps/MapSeries/index.html?appid=67f34fdbf733405f89fc36aeb7b89a43 Statewide Traffic Volume Map Interactive viewer showing traffic counts and volume data across Alaska’s highway system — useful for transportation planning and flood exposure context near roadways. https://akdot.maps.arcgis.com/apps/webappviewer/index.html?id=7b333063c78a4a50a14d47dbfb7d7395 Alaska Department of Natural Resources (DNR) – Maps & Spatial Tools Interactive land status maps, geospatial datasets, and resource mapping tools maintained by the Alaska Department of Natural Resources supporting land management, permitting, hazard planning, and environmental analysis. Alaska Mapper (DNR Land Records & Status Viewer) Interactive statewide map displaying land ownership, land status, survey plats, municipal boundaries, and other land management layers. https://mapper.dnr.alaska.gov/ Alaska State GeoPortal (DNR Geospatial Data Clearinghouse) Central catalog for discovering and downloading Alaska geospatial datasets from state agencies, including land, water, imagery, and infrastructure layers. https://geoportal.alaska.gov/ Alaska Fire & Fuels Map (Division of Forestry & Fire Protection) Interactive wildfire activity map showing current fire locations, fire perimeters, and fire management zones across Alaska. https://fire.ak.blm.gov/ Alaska Water Rights & Water Resources Water resources and permitting information maintained by DNR’s Division of Mining, Land, and Water. https://dnr.alaska.gov/mlw/water/ Statewide Imagery & Elevation Services Access to aerial imagery, orthoimagery, and elevation data maintained by DNR for mapping and planning applications. https://gis.data.alaska.gov/ Oil & Gas Data and Mapping (Division of Oil & Gas) Data and information supporting mapping of oil and gas leasing and development in Alaska. https://dog.dnr.alaska.gov/ Mining Claims & Mineral Resources Spatial viewer for mining claims and land records related to mineral development. https://mapper.dnr.alaska.gov/mining U.S. Fish & Wildlife Service (USFWS) – Maps & Spatial Tools Interactive mapping tools and geospatial datasets from the U.S. Fish & Wildlife Service supporting habitat conservation, wetlands identification, species distribution, and federal land management in Alaska. National Wetlands Inventory (NWI) Map Viewer Interactive map identifying wetlands and deepwater habitats across Alaska — widely used for permitting, floodplain context, and environmental review. https://www.fws.gov/program/national-wetlands-inventory/wetlands-mapper USFWS Alaska Refuges Alaska refuges landing page with refuge boundaries, locations, and related mapping resources. https://www.fws.gov/alaska/refuges/ Critical Habitat (ECOS) Information and map-linked access to federally designated critical habitat areas for threatened and endangered species, including areas in Alaska. https://ecos.fws.gov/ecp/report/table/critical-habitat.html Environmental Conservation Online System (ECOS) Spatial search and information portal for federally listed species, critical habitat, and recovery plans by geographic location. https://ecos.fws.gov/ecp/ ServCat Repository for reports, refuge information, and related datasets (often including maps and spatial products). https://ecos.fws.gov/ServCat/ Migratory Bird Management Program information with mapping and data products supporting migratory bird habitat planning and conservation. https://www.fws.gov/program/migratory-bird-management State of Alaska – Statewide Threat Assessment (DCRA) The Statewide Threat Assessment (2019) evaluates relative infrastructure risk in 187 rural Alaska communities exposed to flooding, coastal erosion, and permafrost degradation. The assessment supports resilience planning, hazard mitigation prioritization, and long-term infrastructure investment decisions across the state. Statewide Threat Assessment Interactive Dashboard An ArcGIS-based interactive map displaying community threat rankings, hazard layers, and combined environmental risk scores. Access the Interactive Dashboard Environmentally Threatened Communities StoryMap A narrative map presentation summarizing methodology, findings, and community-level risk conditions. View the StoryMap Note: These tools are provided by the Alaska Department of Commerce, Community, and Economic Development (DCCED). Data are intended for planning and prioritization purposes and do not replace site-specific engineering analysis. Alaska Department of Environmental Conservation (DEC) – Maps & Spatial Tools Multi-program mapping tools from DEC covering climate change impacts, spill response, air quality, water quality, and environmental monitoring across Alaska. These tools support hazard mitigation planning, environmental health analysis, and resilience decision-making. DEC Web Maps Gallery Central hub for interactive maps across DEC programs, including spill response, climate change, water quality, air quality, and rural community tools. https://dec.alaska.gov/das/gis/apps/ Climate Change in Alaska – DEC Portal Information and mapping resources related to coastal erosion, thawing permafrost, sea-ice retreat, and other climate-driven environmental changes affecting Alaska communities. https://dec.alaska.gov/climate-change/ Spill Prevention & Response (SPAR) Mapping Tools Interactive maps supporting spill preparedness and response, including Geographic Response Strategies (GRS), response equipment locations, and historical spill incident data statewide. https://dec.alaska.gov/spar/ Air Quality Monitoring & Forecast Maps Interactive maps and dashboards showing air quality monitoring stations, current conditions, and forecasted particulate levels — useful during wildfire events and other air-quality hazard situations. https://dec.alaska.gov/air/air-quality-monitoring/ Water Quality Monitoring & Impairment Maps Spatial tools and datasets identifying impaired waters, monitoring stations, and assessment results across Alaska — valuable for watershed planning and environmental risk analysis. https://dec.alaska.gov/water/water-quality/ Note: These tools are maintained by the Alaska Department of Environmental Conservation (DEC) and are intended for planning and informational purposes. Always verify critical regulatory or engineering decisions with official documentation and site-specific analysis. Additional Partner Resources Other state, federal, and regional mapping tools relevant to environmental change and hazard analysis in Alaska. Disclaimer The Department of Commerce, Community, and Economic Development (DCCED), Division of Community and Regional Affairs (DCRA), does not host or maintain the external websites or datasets linked on this page. Links are provided for informational purposes only. DCRA is not responsible for the content, accuracy, or availability of external resources, and inclusion of a link does not imply endorsement. Revised 02/18/2026