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Coastal Change Hazards Portal




  • Search and view features


  • Collect, manage, share, and download data

Action Center

  • More info, map services, and metadata

Welcome to the U.S. Geological Survey's (USGS) Coastal Change Hazards Portal, where you have interactive access to coastal change science and data for our Nation’s coasts. This page provides a summary of how to use the Portal's basic functions. We encourage you to explore and learn.

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Find and View Data, Reports, and Other Products

Information and products are organized within three coastal change hazard themes: 1) extreme storms, 2) shoreline change, and 3) sea-level rise. Each data item represents an individual research product, with some items grouped together as aggregates to show the breadth of the topic and make it easy to explore.

Adding an Item to the Bucket

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Click the "Add To Bucket" icon to place the current item or aggregation in your bucket and interact with it there.

More Information

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Click the "More Information" icon to go to a page with additional details about the data item you are viewing.

Toggle Item Visibility on the Map

To change what is visible on the map, add the item to your bucket, then navigate to the bucket where you can re-order and toggle the visibility of any saved items.

Search Options

Search for data and information in one or more of the coastal change hazards themes by name or by location.

Interactive Map Features

Zoom In/Out

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Click the icons to zoom in or out on the map.

Zoom to Item

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Click the zoom to button to zoom to the extent of the data item.

Zoom to Your Location

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Click the location icon in order to zoom to your location. Some browsers and smartphones may request permission to share your location.

Map Base Layer

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Choose a base layer from World Imagery, Street, Topo, or Ocean. You can also choose to display or hide Place Names here.

Map Legend

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Click to view the map legend.

Data are sometimes displayed on the map view with multiple legends (such as the probability of collision/inundation/overwash data items within the Extreme Storms theme). When these data types are displayed on the map, you can scroll over the titles in the legend to highlight which color band on the map it corresponds to.

Click to Identify Visible Data

When a data item is visible on the map, a user may click anywhere on the data to retrieve a value.

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Use the bucket to collect and download data, as well as to customize your map.

Add and Manage Datasets

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Click the "Add To Bucket icon" to save the current item or aggregation in your bucket and interact with it there.

Change Data Visibility

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Click the eyeball icon to turn a data item on or off. Click the up or down arrows to move the item above or below other layers. This affects the order of the data displayed on the map.

Zoom to data

Click the thumbnail image to zoom to the extent of the data item.

Download Data

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Click the download icon to download a zipped (.zip) shapefile (.shp) of the item or aggregation of interest.

More Info

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Click the information icon to get more details about the item. This will take the user to the action center.

Share Data

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Click the share icon to get a short link useful for sharing on social media, or to send to colleagues and friends.

Remove Item

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Click the trash can icon to remove the item from your bucket.

Clear Bucket

Click this button to remove all saved items from your bucket.

Share Bucket

Click this button to get a short URL that allows you to share the contents of all items saved in your bucket.

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Action Center

Get to the Action Center by clicking on the “More Info” icon in any item. The Action Center contains several button options.

Action Center Descriptions

Return to Map

Go back to the map view of the portal.

Add to Your Bucket

Add this item to your bucket. Use the bucket to collect, view, and download data and products, or share your bucket with friends and colleagues.

Map Services

Explore available services that can be added to your own or other web-based mapping applications.


Review detailed geographic, bibliographic and other descriptive information about this item. The data are presented in the Catalog Service Web metadata format, and are Federal Geographic Data Committee geospatial standards compliant.

Download Dataset

Download this item to your computer.

Share This Info

Get a short URL to share this information with others.

Print Snapshot

Create a printer-friendly view of the current item.

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