This site publishes observation data and sample information obtained by research vessels and research submersibles of the Japan Agency for Marine-Earth Science and Technology (JAMSTEC).
DARWIN is listed in re3data.org and FAIRsharing, both of which are international catalogs of trusted data repositories.
re3data.org DOI: 10.17616/R31NJNU0
FAIRsharing DOI: 10.25504/FAIRsharing.69c2be
re3data.org DOI: 10.17616/R31NJNU0
FAIRsharing DOI: 10.25504/FAIRsharing.69c2be
2026-09-03
Due to maintenance of the map distribution system, the map display function will be unavailable from 9:30 am to 10:30 am on Monday, Sep 7, 2026 (JST).
2026-08-28
Due to server maintenance, DARWIN will be temporarily suspended from 9:00 am to 12:00 pm on Tuesday, Sep 1, 2026.
2026-07-06
Due to server maintenance, DARWIN will be temporarily suspended from 9:00 am to 12:00 pm 5:00 pm on Tuesday, July 14, 2026.
2025-06-03
Due to server maintenance, DARWIN will be temporarily suspended from 2:00 pm to 3:30 pm on Friday, June 6, 2025.
2025-05-09
Due to maintenance of the map distribution system, the map display function will be unavailable from 9:30 am to 1:00 pm on Tuesday, May 13, 2025.
2025-03-13
Sample Information Catalog is now available.
2025-03-13
2025-02-25
The server maintenance date will be changed from 12:00 pm to 1:00 pm on Thursday, February 27, 2025.
2025-02-12
2025-02-07
Due to network maintenance, there will be map display restrictions, and file download function will be suspended from 10:00 am Friday, February 21, 2025 to 12:00 pm Tuesday, February 25, 2025.
2025-01-15
It is now possible to "Search for data by specifying a range" on a map.
2024-12-16
Due to server maintenance, DARWIN will be temporarily suspended from 9:00 am to 5:00 pm on Wednesday, December 18, 2024.
2024-07-30
The lists of biological, rock and sediment core samples have been updated.
2024-03-18
This site has been renewed and republished.
Related Database
Cruise reports & DATA BOOK 
Cruise reports and data books describing the research activities conducted during JAMSTEC's research cruise and dives are available.
JAMSTEC E-library of Deep-sea Images
Images and video of the deep sea taken by JAMSTEC's submersible research vessels and unmanned probes are available to the public.
Research Vessel Observation Database (extarnal website)
Data and metadata for joint use cruise are made available by the Atmosphere and Ocean Research Institute of the University of Tokyo.
Cruise reports and data books describing the research activities conducted during JAMSTEC's research cruise and dives are available.
JAMSTEC E-library of Deep-sea Images
Images and video of the deep sea taken by JAMSTEC's submersible research vessels and unmanned probes are available to the public.
Research Vessel Observation Database (extarnal website)
Data and metadata for joint use cruise are made available by the Atmosphere and Ocean Research Institute of the University of Tokyo.