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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
NYC Stormwater Flood Maps
City of New York —
A collection of citywide Geographic Information System (GIS) layers that show areas of potential flooding scenarios under varying sea level rise conditions. Please... -
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... -
City
National Flood Hazard - FIRM Panels
Louisville Metro Government —
The S_FIRM_Pan table contains information about the FIRM panel area. A spatial file with location information also corresponds with this data table. The spatial... -
State
Regional tsunami hazard assessment for the communities of Port Alexander, Craig, and Ketchikan, Southeast Alaska
State of Alaska —
We assess potential tsunami hazards for coastal communities in Southeast Alaska: Port Alexander, Craig, Saxon, Mountain Point, and Ketchikan. The primary tsunami... -
State
Arctic Strategic Transportation and Resources (ASTAR) project 2023 field station location data and descriptions: Point Lay region, North Slope, Alaska
State of Alaska —
Arctic Strategic Transportation and Resources (ASTAR) project 2023 field station location data and descriptions: Point Lay region, North Slope, Alaska, Raw Data File... -
City
Building Elevation and Subgrade (BES)
City of New York —
The Building Elevation and Subgrade data contains New York City building centroids derived from the Department of Building's (DOB) February 26th, 2022 building... -
City
National Flood Hazard - Letter of Map Revision (LOMR)
Louisville Metro Government —
The S_LOMR feature class should contain at least one record for each Letter of Map Revision incorporated into the NFHL. Multipart polygons are not allowed. The... -
City
FEMA Flood Plain
City of Philadelphia —
Federal Emergency Management Administration (FEMA) data clipped to Philadelphia. Please note, FEMA is moving away from solely using '100-year' and '500-year' flood... -
State
Soils Hydric Rating
State of Connecticut —
This rating indicates the percentage of map units that meets the criteria for hydric soils. Map units are composed of one or more map unit components or soil types,... -
State
Single-beam bathymetric data near Kongiganak, Alaska, collected June 6, 2023
State of Alaska —
Single-beam bathymetric data near Kongiganak, Alaska, collected June 6, 2023, Raw Data File 2024-4, presents bathymetric data collected along the Kongnignanohk River... -
State
Major Water Sources in Iowa - Lakes
State of Iowa —
The Major Water Sources list was created by IDNR to address concerns that new confinements would be constructed within view of "floatable/canoeable" rivers. The... -
City
DEP Green Infrastructure (Point Layer)
City of New York —
This dataset contains the locations and detailed information of green infrastructure practices in NYC neighborhoods built primarily through NYC Green Infrastructure... -
State
Preliminary volcano-hazard assessment for Fisher volcano, Unimak Island, Alaska
State of Alaska —
Fisher volcano, containing the largest Holocene caldera in the Aleutian volcanic arc, is an active volcano near the center of Unimak Island, about 120 kilometers... -
City
Hurricane Evacuation Zones
City of New York —
The New York City Hurricane Evacuation Zones represent varying threat levels of flooding resulting from storm surge. New York City's hurricane contingency plans are... -
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 the communities of Kasaan, Klawock, Metlakatla, Pelican, Point Baker, and Port Protection in Southeast Alaska
State of Alaska —
We assess potential tsunami hazards for six communities in Southeast Alaska: Kasaan, Klawock, Metlakatla, Pelican, Point Baker, and Port Protection. These communities...