Marine Geoscience Data System

A trusted data repository offering free public access to a curated collection of marine geophysical data and metadata related to the formation and evolution of the seafloor and sub-seafloor. Explore our data holdings to discover research data from around the world.

Academic Seismic Portal

The primary data resource for field and processed data from active source marine seismic experiments (multi-channel, single-channel, chirp subbottom, sonobuoy) acquired by the U.S. academic community.

Search for Multi-Channel Seismic Data

Search for Single-Channel Seismic Data

List all Seismic Data Sets

Submersible Data

Submersibles provide important high-resolution geophysical data sets as well as bottom samples, photos and video that are important for seafloor characterization and ground-truth. Data have been acquired by the National Deep Submergence Facility (NDSF), the Schmidt Ocean Institute (SOI), and the Monterey Bay Aquarium Research Institute (MBARI).

Search for ROV data (e.g. Jason and SuBastian)

Search for AUV Data (e.g. Sentry and MBARI Mapping AUV)

Search for HOV Data (Alvin)

Related Resources

Data systems and tools that were formerly operated as part of IEDA continue to offer complementary data products and services, including:

GMRT Global Bathymetry
GeoMapApp
Antarctic Data (USAP-DC)
IEDA

Recent Data Contributions

MGL2304 Grid Data: 3-D tomographic P- and S-wave seismic velocity models of the Galápagos Plume (MarineIGUANA, IGUANA)

MGL2514 Data: Raw Seismic Navigation Data (P2 format) from the southern Mexico subduction zone, acquired during Langseth survey MGL2514 (2025)

MGL2514 Data: Seismic Source information files from the southern Mexico subduction zone, acquired during Langseth survey MGL2514 (2025)

MGL2514 Data: Seismic Navigation Shot Logs from the southern Mexico subduction zone, acquired during Langseth survey MGL2514 (2025)

MGL2514 Data: Processed Seismic Navigation Data (P1 format) from the southern Mexico subduction zone, acquired during Langseth survey MGL2514 (2025)

MGL2514 Segy Data: Multi-Channel Seismic Shot Data from the southern Mexico subduction zone, acquired during Langseth survey MGL2514 (2025)

FKt230918 Swath Data: Processed Acoustic Backscatter, Sidescan and Swath Bathymetry Data (EM712) from the Galapagos Islands, acquired during R/V Falkor (too) expedition FKt230918 (2023)

RR2308 Swath Data: Processed Acoustic Backscatter, Sidescan and Swath Bathymetry Data (EM124) acquired during R/V Roger Revelle expedition RR2308 (2023)

SUM0901E Swath Data: Processed Acoustic Backscatter, Sidescan and Swath Bathymetry Data (EM122) acquired during USNS Sumner expedition SUM0901E (2009)

FKt241011 Swath Data: Processed Acoustic Backscatter, Sidescan and Swath Bathymetry Data (EM124) acquired during R/V Falkor (too) expedition FKt241011 (2024)

Recent Citations

Czajka et al., 2026, Modeling Upper Ocean Ecosystem Dynamics in Response to Interannual Sea-Ice Variability in the Western Antarctic Peninsula, JGR Biogeosciences, 131. doi: 10.1029/2025JG009428.

Bludau et al., 2026, Drilling the Marathousa palaeo-lake in Greece (Peloponnese): inferring the environmental context of a Middle Pleistocene archaeological site, Boreas. doi: 10.1111/bor.70061.

Calvès et al., 2026, Seismic Stratigraphy of the Peruvian Forearc Drifts from 3° to 7°S: Identification and Influence of Lower Layers of the Humboldt Current System, Paleoceanography and Paleoclimatology, 41. doi: 10.1029/2026PA005433.

Gao et al., 2026, Progressive sub-arc mantle oxidation modulated by sediment melt, Sci. Adv., 12. doi: 10.1126/sciadv.aeb9023.

Utami et al., 2026, Plastitar and pyroplastics as emerging vectors of coastal pollution: Chemical identification from Panjang Island (Java Sea) and Palm Beach, Florida, Marine Pollution Bulletin, 228, 119603-. doi: 10.1016/j.marpolbul.2026.119603.

Yousef et al., 2026, Structural controls on landscape development in a multi-phase tectonic setting: the eastern escarpment of the North Galala Plateau, NW Gulf of Suez, Egypt, Journal of African Earth Sciences, 239, 106139-. doi: 10.1016/j.jafrearsci.2026.106139.

Brandl et al., 2026, Subsurface thermal gradients along the Queen Charlotte plate boundary from a regional mapping of bottom simulating reflectors, Geosphere, 22, 441-457. doi: 10.1130/GES02921.1.

Scanlan, 2026, Provincializing Exception: The Creation of Anti-tribal Spaces in British India, 1778 - 1874, Critical Asian Studies, 58, 171-206. doi: 10.1080/14672715.2026.2622927.

Hodell and Seki, 2026, IODP 3 Expedition 506S “SIGNALS: Stratigraphic InteGration of North Atlantic Legacy Sites” Scientific Prospectus, Proc. IODP, 504, 1-25. doi: 10.5194/piodp-504-1-2026.

Maczuga et al., 2026, Shape grammar for modeling Earth’s bathymetry and performing tsunami simulations, Journal of Computational Science, 96, 102847-. doi: 10.1016/j.jocs.2026.102847.