Crowd Sourced Bathymetry

Crowdsourced bathymetry (CSB) is the collection of depth measurements from vessels, using standard navigation instruments, while engaged in routine maritime operations. CSB can be used to supplement the more rigorous and scientific bathymetric coverage done by hydrographic offices, industry, and researchers around the world.

The Role of CSB

  • Supports national and regional development activities

  • Identifies uncharted features

  • Verifies charted information

  • Confirms that existing charts are appropriate for the latest traffic patterns

  • Fills gaps where data is scarce (Arctic, SIDS, open ocean)

  • Useful along shallow, complex coastlines where traditional survey vessels cannot access (areas may be more frequently visited by recreational boaters)

Get involved

Governments, organizations, academia, industry, communities and individuals are encouraged to contribute data to Seabed 2030. If you feel you are able to integrate the collection and sharing of bathymetric data into your routine operations, have existing datasets that you would like to contribute, or would simply like to learn more about ongoing crowd-sourced bathymetry programmes you can join, you can do so by emailing

To find out more about the IHO CSB initiative and to take a look at some existing use cases, visit the IHO DCDB website.

CSB activity