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City
FEMA Flood Zones
City of Hartford —
According to FEMA the definition of a flood zone is a "geographic areas that FEMA has defined according to varying levels of flood risk and type of flooding. These... -
City
National Flood Hazard - Cross Sections
Louisville Metro Government —
Normally, any FIRM that has associated flood profiles has cross sections. The S_XS table contains information about cross section lines. These lines usually... -
State
Coastal Area Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
State
Coastal Boundary
State of Connecticut —
The Coastal Boundary layer is a 1:24,000-scale, polygon feature-based layer of the legal mylar-based maps adopted by the Commissioner of the Department of... -
State
Coastal Boundary Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
State
Geology of the Sleetmute A-5, A-6, B-5, and B-6 quadrangles, southwestern Alaska
State of Alaska —
Geology of the Sleetmute A-5, A-6, B-5, and B-6 quadrangles, southwestern Alaska, Professional Report 99, presents a compilation geologic map of the Chuilnuk... -
City
Floodplain Boundaries
Town of Chapel Hill, North Carolina —
Floodplain boundaries for Chapel Hill, North Carolina as delineated by the FEMA Digital Flood Insurance Rate Mapping Program. -
State
Addendum A: Regional tsunami hazard assessment for Pasagshak, Alaska
State of Alaska —
Report of Investigation 2019-6A, Addendum A: Regional tsunami hazard assessment for Pasagshak, Alaska, provides an estimated extent of the tsunami hazard zone in the... -
State
Oregon Statewide Flood Hazard Database - Observed Inundation - 2015
State of Oregon —
This is a dataset download, not a document. The Open button will start the download.This data layer is an element of the Oregon GIS Framework. This feature dataset... -
County
Loudoun Floodplain
Loudoun County, Virginia —
More MetadataMaintenance and Update Frequency: Floodplain boundaries are updated by Building and Development staff as detailed floodplain studies are submitted and... -
State
Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island, Alaska
State of Alaska —
This dataset consists of the vector digital GIS files that were used to create sheet 1 of the "Preliminary volcano-hazard assessment for Okmok Volcano, Umnak Island,... -
State
Photogrammetry-derived digital surface model and orthoimagery of land areas near Resurrection Bay, Alaska
State of Alaska —
The State of Alaska Division of Geological & Geophysical Surveys (DGGS) produced a digital surface model (DSM) and an orthorectified aerial optical image mosaic... -
City
ECA Flood Prone Areas
City of Seattle —
FEMA flood prone areas with 100 foot buffer. Original flood prone areas where table digitized into the City of Seattle GIS CGDB control layer in the mid 90's. Layer... -
State
Updated tsunami inundation maps of the Kodiak area, Alaska
State of Alaska —
Staff from Alaska Earthquake Center, Geophysical Institute and Alaska Division of Geological & Geophysical Surveys evaluated potential potential tsunami hazard... -
State
Regional tsunami hazard assessment for communities of Bristol Bay and the Pribilof Islands, Alaska
State of Alaska —
We assess potential tsunami hazards for the communities of Dillingham, Nelson Lagoon, and Platinum in Bristol Bay, and St. Paul and St. George on the Pribilof... -
State
Tsunami inundation maps of Sitka, Alaska
State of Alaska —
The purpose of this study is to evaluate potential tsunami hazards for the community of Sitka. We numerically modeled the extent of inundation from tsunami waves... -
State
Tsunami inundation maps for Akhiok, Chiniak, Old Harbor, Ouzinkie, and Port Lions on Kodiak Island, Alaska
State of Alaska —
Report of Investigation 2021-6, Tsunami inundation maps for Akhiok, Chiniak, Old Harbor, Ouzinkie, and Port Lions on Kodiak Island, Alaska, evaluates potential...