Current expedition

Pacific Mapping

June 10 – 24, 2026
Current Status
Sonar Mapping
Update
We are enjoying beautiful weather and calm conditions during our first full day at sea! Our new KONGSBERG multibeam sonar is hard at work, mapping depths around 5,000 - 6,000 meters. 
18 hours ago
Ship Location
Papahānaumokuākea National Marine Sanctuary
Our team is not available to answer questions at this time.

Current Watch

Seafloor Mapper

Seafloor Mapper

Seafloor Mapper

Seafloor Mapper

Recent Posts

live event
Credit
Ocean Exploration Trust

Join us next week for our first Live Q&A event of the season and hear from the Corps of Exploration onboard E/V Nautilus about seafloor mapping, including representatives from Kongsberg! Tune in and submit questions in real-time right here at Nautiluslive.org.

New multibeam on Nautilus
Credit
Ocean Exploration Trust

With our new EM304 multibeam sonar upgrade, we can map deeper and more efficiently than ever before! This is especially critical as we will be exploring some of the deepest parts of the ocean in the Western Pacific in 2026 and beyond. Learn more in our blog!