We assess potential tsunami hazards for Eareckson Air Station on Shemya Island, Alaska. The primary tsunami hazard for this installation is considered to be near-field, with the...

Documents, including different types of Letters of MAP Revision (LOMR) and Letters of Map Amendment (LOMA), which are issued by FEMA to revise or amend the flood hazard...

This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2% Annual...

Riverine Depth Grids generated by FEMA from 5m DEM obtained by USGS and Stream/River Gauges.  Includes both Modeled Preliminary Observations and Modeled Forecast.Modeled...

We evaluate potential tsunami hazards for the city of Valdez and numerically model the extent of inundation from tsunamis generated by earthquake and landslide sources. Tsunami...

The Flood Irrigated Service Area layer shows which areas of Tempe are covered by active city-owned flood irrigation services.Contact: Will DukeContact E-Mail:...

Feature layer containing authoritative points with attached photos obtained by the Civil Air Patrol for Minnehaha County and Sioux Falls, South Dakota from March 20th, 2019 and...

This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the Dee River Basin...

The depth difference dataset (2004) is a depth grid showing the difference between modelled fluvial flood depths and modelled fluvial flood depths under climate change...

Shapefile for Indicative Flood Risk Areas generated using the Environment Agency's Communities at Risk Approach. This information is provided by the Environment Agency for use...

The LIDAR Composite DSM (Digital Surface Model) is a raster elevation model covering ~75% of England at 2m spatial resolution. Produced by the Environment Agency, this dataset...

This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the North West River...

Environment Agency flood sirens including name, grid ref, address and postcode.

This modelled fluvial flood depth data with climate change was created for the 0.1% annual chance of flooding situations and was produced as a by-product from the 2004...

This modelled fluvial flood depth data with climate change was created for the 0.1% annual chance of flooding situations and was produced as a by-product from the 2004...

This modelled fluvial flood depth data was created for the 1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project....

This modelled fluvial flood depth data was created for the 1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project....

The depth difference dataset (2004) is a depth grid showing the difference between modelled fluvial flood depths and modelled fluvial flood depths under climate change...

‘Flood Depth Grid 20 meters’ is a national modelled dataset that shows flood depths on a 20x20 metre grid. These have been created using a Digital Terrain Model re-sampled to 20...

The depth difference dataset (2004) is a depth grid showing the difference between modelled fluvial flood depths and modelled fluvial flood depths under climate change...