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Pacific Coastal & Marine Science Center

National Archive of Marine Seismic Surveys

Trackline Maps

View trackline maps of surveys in NAMSS by region. These maps show the density of survey coverage in each region. If you want to view individual survey trackline maps, then use the Search And Download Data page.

Select a map to view in a new window:

Red lines showing tracklines in the region.

All Regions

There are approximately 159 surveys made up of 8,321 tracklines in this region that cover 481,565 kilometers.

Full-size image(5.6 MB)

Red lines showing tracklines in the region.

Beaufort Sea

There are approximately 27 surveys made up of 1,178 tracklines in this region that cover 46,115 kilometers.

Full-size image(1.3 MB)

Red lines showing tracklines in the region.

Chukchi Sea

There are approximately 7 surveys made up of 144 tracklines in this region that cover 19,673 kilometers.

Full-size image(1.9 MB)

Red lines showing tracklines in the region.

Bering Sea

There are approximately 25 surveys made up of 943 tracklines in this region that cover 135,312 kilometers.

Full-size image(3.4 MB)

Red lines showing tracklines in the region.

Gulf Of Alaska

There are approximately 18 surveys made up of 554 tracklines in this region that cover 50,899 kilometers.

Full-size image(2.9 MB)

Red lines showing tracklines in the region.

Eastern Pacific Ocean

There are approximately 55 surveys made up of 3,521 tracklines in this region that cover 130,459 kilometers.

Full-size image(4.5 MB)

Red lines showing tracklines in the region.

Central Pacific Ocean

There are approximately 1 surveys made up of 34 tracklines in this region that cover 6,579 kilometers.

Full-size image(3.9 MB)

Red lines showing tracklines in the region.

Northern Atlantic Ocean

There are approximately 11 surveys made up of 1,132 tracklines in this region that cover 56,493 kilometers.

Full-size image(3.7 MB)

Red lines showing tracklines in the region.

Caribbean Sea

There are approximately 5 surveys made up of 192 tracklines in this region that cover 8,100 kilometers.

Full-size image(2.0 MB)

Red lines showing tracklines in the region.

Southern Atlantic Ocean

There are approximately 2 surveys made up of 133 tracklines in this region that cover 12,948 kilometers.

Full-size image(3.3 MB)

Red lines showing tracklines in the region.

Arctic Ocean

There are approximately 4 surveys made up of 78 tracklines in this region that cover 4,734 kilometers.

Full-size image(2.3 MB)

For more information, contact Patrick Hart.

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URL: http://walrus.wr.usgs.gov/NAMSS/trackline_maps.html
Page Contact Information: PCMSC Web Team
Page Last Modified: 19 April 2012 (lzt)