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USGS Coastal and Marine Geology Program

U.S. Geological Survey Coastal and Marine Geoscience Data System (CMGDS) - a portal for oceans and coastal data including seismics, sidescan sonar, bathymetry, lidar, samples, gravity, and magnetic data

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a seismic record section Bathymetric data image Lidar image Sidescan sonar mosaic Ocean bottom Magnetic anomaly map

Seismic data

Seismic record section from the St. Clair River,Michigan

Bathymetry data

Bathymetry raster data of Northern Cape Cod Bay

Lidar data

Lidar data of the Gulf Islands, Florida

Sidescan sonar data

Sidescan sonar mosaic of Rhode Island Sound


Sediments located on Stellwagen Bank

Gravity and Magnetic Data

Magnetics off Alaska

Search by Map

map display showing data coverage

About this Site

This web site provides data services for the published data of the The U.S. Geological Survey, Coastal and Marine Geology Program (CMGP).

Featured Data Sets

general amp show data distribution Post Hurricane Sandy Lidar Elevations and Features

Lidar data used to examine coastal change and erosion.. Read more

Map showing probabilities of a category 3 hurricane stricking the coast. USGS Coastal Change Hazards Portal

Products from three coastal hazard themes: severe storms, shoreline change, and sea-level rise.. Read more

methane hydrate California Seafloor Mapping Program Video and Photograph Portal

Photos and videos of seafloor segments off California.. Read more

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Page Contact Information: CMGDS Team
Script last modified Monday, 03rd August, 2015 @ 10:52am