[1] Australian Transport Safety Bureau has releases a topographical mapping video that shows a detailed topography of the Indian Ocean seabed that will help in the search for Malaysian aircraft MH370.
[2] ATSB has mapped the sea floor within the search zone, which details topographical features and elevations.
[3] According to the bureau, the mapping process involved to stages; gathering of data by survey ships and processing of the data by Geoscience Australia for use in the search efforts.