Catalog - Data.gov

#1 Federal

Shot point navigation at 100 shot intervals for EdgeTech SB-512i chirp seismic-reflection data collected in May 2012 by the U.S. Geological Survey within the Baltimore Canyon, mid-Atlantic margin (Esri point shapefile, Geographic, WGS 84, BC_all100shot.shp)

Organization: Department of the Interior
Dataset Last Updated: November 16, 2021 at 12:00 AM

A large number of high-resolution geophysical surveys between Cape Hatteras and Georges Bank have been conducted by federal, state, and academic institutions since the turn of the century. A major...

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Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: September 10, 2026 at 07:51 PM

#2 Federal

JPEG formatted images of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 10:46 PM

#3 Federal

Elevation of the Holocene transgressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (utelev Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

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Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: September 10, 2026 at 10:26 PM

#4 Federal

Isochron of Holocene fluvial and estuarine (Qfe) sediment thickness beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (qfeiso Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

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Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 08:29 PM

#5 Federal

Survey lines along which EdgeTech SB-512i chirp seismic-reflection data were collected in Buzzards Bay by the U.S. Geological Survey offshore of Massachusetts in 2009, 2010, and 2011 (BB_SeismicTrackline Esri Polyline Shapefile, Geographic, WGS84).

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 08:56 PM

#6 Federal

PNG formatted images of EdgeTech SB-512i chirp seismic-reflection profiles collected by the U.S. Geological Survey in 2009, 2010, and 2011 offshore of Massachusetts within Vineyard Sound.

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 08:00 PM

#7 Federal

PNG format images of EdgeTech SB-512i chirp seismic-reflection data collected in May 2012 by the U.S. Geological Survey within the Washington Canyon, mid-Atlantic Margin

Organization: Department of the Interior
Dataset Last Updated: November 16, 2021 at 12:00 AM

A large number of high-resolution geophysical surveys between Cape Hatteras and Georges Bank have been conducted by federal, state, and academic institutions since the turn of the century. A major...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:25 PM

#8 Federal

Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (seismic_sht_07007.shp, points)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic mapping to characterize the sea...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:59 PM

#9 Federal

Hillshaded-relief image produced from the late Wisconsinan to early Holocene regressive unconformity (Ur) beneath Vineyard and western Nantucket Sounds, Massachusetts (GeoTIFF Image; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from interpretations of...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:26 PM

#10 Federal

Survey lines along which seismic reflection data were collected south of Martha's Vineyard and north of Nantucket by the U.S. Geological Survey offshore of Massachusetts in 2013 (2013-003-FA_512i_shottrack, Esri Polyline Shapefile, Geographic, WGS84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program,...

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XML

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:02 PM

#11 Federal

Isopach of Holocene fluvial and estuarine (Qfe) sediment and nearshore marine (Qmn) sediment thickness beneath Buzzards Bay, Massachusettts (Qfeqmniso, Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles,...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:04 PM

#12 Federal

Shot point navigation at even 500 shot intervals for EdgeTech SB-512i chirp seismic-reflection data collected in 2015 by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA (Esri point shapefile, GCS WGS 84)

Organization: Department of the Interior
Dataset Last Updated: November 19, 2021 at 12:00 AM

The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy in the fall of 2012. The U.S. Geological Survey...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:01 PM

#13 Federal

Interpretation of sea floor geologic units for Vineyard and western Nantucket Sounds, Massachusetts (polygon shapefile; Geographic, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Vineyard and western Nantucket Sounds, Massachusetts. These maps were derived from interpretations of...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:09 PM

#14 Federal

Elevation of the top of glacial deposits beneath Buzzards Bay, Massachusetts (Urelev, Esri binary grid; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

Geologic, sediment texture, and physiographic zone maps characterize the sea floor of Buzzards Bay, Massachusetts. These maps were derived from interpretations of seismic-reflection profiles,...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:48 PM

#15 Federal

Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (seismic_sht_06015.shp, points)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic mapping to characterize the sea...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:09 PM

#16 Federal

Trackline navigation for EdgeTech SB-512i chirp seismic-reflection data collected in May 2012 by the U.S. Geological Survey within the Washington Canyon, mid-Atlantic margin (Esri polyline shapefile, Geographic, WGS 84, WC_tracklines.shp)

Organization: Department of the Interior
Dataset Last Updated: November 16, 2021 at 12:00 AM

A large number of high-resolution geophysical surveys between Cape Hatteras and Georges Bank have been conducted by federal, state, and academic institutions since the turn of the century. A major...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:44 PM

#17 Federal

Hillshaded relief image derived from elevations of the late-Wisconsinan regressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (Urelevhs GeoTIFF Image; UTM, Zone 19N, WGS 84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea...

XML
XML

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:08 PM

#18 Federal

Cape Canaveral, Florida, seismic chirp collected in 2016 by Coastal Carolina University

Organization: Department of the Interior
Dataset Last Updated: October 13, 2020 at 12:00 AM

A geophysical survey was conducted offshore Cape Canaveral, Florida by Coastal Carolina University offshore of Cape Canaveral, Florida using high-resolution chirp sub-bottom, multibeam bathymetry...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:00 PM

#19 Federal

Shot points at 500 shot intervals for EdgeTech 512i chirp seismic-reflection data collected by the U.S. Geological Survey in the Cape Ann - Salisbury Beach, MA survey area (SEISMICSHOT_500, Geographic, WGS84)

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey, Coastal and Marine Geology Program, Woods...

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:47 PM

#20 Federal

JPEG formatted images of EdgeTech 512i chirp seismic-reflection profiles collected by the U.S. Geological Survey in the Cape Ann - Salisbury Beach, MA survey area.

Organization: Department of the Interior
Dataset Last Updated: March 18, 2024 at 12:00 AM

These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey, Coastal and Marine Geology Program, Woods...

XML
XML

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:42 PM

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Shot point navigation at 100 shot intervals for EdgeTech SB-512i chirp seismic-reflection data collected in May 2012 by the U.S. Geological Survey within the Baltimore Canyon, mid-Atlantic margin (Esri point shapefile, Geographic, WGS 84, BC_all100shot.shp)

JPEG formatted images of EdgeTech SB-512i and SB-424 chirp seismic-reflection profiles collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeismicProfiles)

Elevation of the Holocene transgressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (utelev Esri binary grid; UTM, Zone 19N, WGS 84)

Isochron of Holocene fluvial and estuarine (Qfe) sediment thickness beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (qfeiso Esri binary grid; UTM, Zone 19N, WGS 84)

Survey lines along which EdgeTech SB-512i chirp seismic-reflection data were collected in Buzzards Bay by the U.S. Geological Survey offshore of Massachusetts in 2009, 2010, and 2011 (BB_SeismicTrackline Esri Polyline Shapefile, Geographic, WGS84).

PNG formatted images of EdgeTech SB-512i chirp seismic-reflection profiles collected by the U.S. Geological Survey in 2009, 2010, and 2011 offshore of Massachusetts within Vineyard Sound.

PNG format images of EdgeTech SB-512i chirp seismic-reflection data collected in May 2012 by the U.S. Geological Survey within the Washington Canyon, mid-Atlantic Margin

Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (seismic_sht_07007.shp, points)

Hillshaded-relief image produced from the late Wisconsinan to early Holocene regressive unconformity (Ur) beneath Vineyard and western Nantucket Sounds, Massachusetts (GeoTIFF Image; UTM, Zone 19N, WGS 84)

Survey lines along which seismic reflection data were collected south of Martha's Vineyard and north of Nantucket by the U.S. Geological Survey offshore of Massachusetts in 2013 (2013-003-FA_512i_shottrack, Esri Polyline Shapefile, Geographic, WGS84)

Isopach of Holocene fluvial and estuarine (Qfe) sediment and nearshore marine (Qmn) sediment thickness beneath Buzzards Bay, Massachusettts (Qfeqmniso, Esri binary grid; UTM, Zone 19N, WGS 84)

Shot point navigation at even 500 shot intervals for EdgeTech SB-512i chirp seismic-reflection data collected in 2015 by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA (Esri point shapefile, GCS WGS 84)

Interpretation of sea floor geologic units for Vineyard and western Nantucket Sounds, Massachusetts (polygon shapefile; Geographic, WGS 84)

Elevation of the top of glacial deposits beneath Buzzards Bay, Massachusetts (Urelev, Esri binary grid; UTM, Zone 19N, WGS 84)

Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (seismic_sht_06015.shp, points)

Trackline navigation for EdgeTech SB-512i chirp seismic-reflection data collected in May 2012 by the U.S. Geological Survey within the Washington Canyon, mid-Atlantic margin (Esri polyline shapefile, Geographic, WGS 84, WC_tracklines.shp)

Hillshaded relief image derived from elevations of the late-Wisconsinan regressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (Urelevhs GeoTIFF Image; UTM, Zone 19N, WGS 84)

Cape Canaveral, Florida, seismic chirp collected in 2016 by Coastal Carolina University

Shot points at 500 shot intervals for EdgeTech 512i chirp seismic-reflection data collected by the U.S. Geological Survey in the Cape Ann - Salisbury Beach, MA survey area (SEISMICSHOT_500, Geographic, WGS84)

JPEG formatted images of EdgeTech 512i chirp seismic-reflection profiles collected by the U.S. Geological Survey in the Cape Ann - Salisbury Beach, MA survey area.