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Prepare to take a DEEP dive! Today’s #Okeanos dive will take us to a depth of 4,400 meters (2.7 miles) to explore a “pancake volcano.” We plan to be on the seafloor from 11:00 a.m. HST / 5:00 p.m. EDT to 4:10 p.m. HST / 11:10 p.m. EDT. Join us: oceanexplorer.noaa.gov/okeanos/explor…

Today’s #Okeanos dive will take place on western ridge arm of an unnamed seamount, ~ 45 nautical miles south of Hōlanikū, to gain better understanding of feature's biology & geology. On seafloor 9:50 am HST/5:50 pm EDT to 3:20 pm HST/3:20 pm EDT. LIVE: oceanexplorer.noaa.gov/okeanos/explor…

Today's #Okeanos dive will take place just below the summit of a lumpy, unnamed seamount, at depths between 2,400 and 2,200 m. We expect to be on the seafloor from 10:50 am HST/4:50 pm EDT to 3:20 pm HST/9:20 pm EDT. Tune in: oceanexplorer.noaa.gov/okeanos/explor…

No #Okeanos dive today as we transit to our next dive site, collecting mapping data along the way. Our next scheduled dive is tomorrow, April 30. Stay tuned for further details. While you wait, visit the expedition gallery: oceanexplorer.noaa.gov/okeanos/explor…

For today’s #Okeanos dive, we will explore Paul Seamount in the Wentworth Seamount Chain, between 1,920 - 1,740 m depths. Join us for the 2nd-to-last dive of the expedition: oceanexplorer.noaa.gov/okeanos/explor… On seafloor from 9:30 am HST/3:30 pm EDT to 3:30 pm HST/9:30 p. EDT.

Unfortunately, today’s #Okeanos dive has been cancelled due to weather. Fingers crossed for one last expedition dive tomorrow! In the interim, enjoy this expedition video highlighting the importance of studying *all* animals for a full understanding of the deep-sea ecosystem.

Today's #Okeanos dive is cancelled. Unfortunately, this marks the end of diving during this expedition. As we had planned to explore the water column, enjoy this amazing video of a merchant-cap jelly (Periphylla periphylla). For more, visit: oceanexplorer.noaa.gov/okeanos/explor…

Our latest #Okeanos expedition ended yesterday. This video includes highlights from our shallowest dive of the expedition, which took us to depths of 360-524 m on an unnamed seamount northwest of Holanikū (Kure Atoll). For more from the expedition: oceanexplorer.noaa.gov/okeanos/explor…

We've set sail on our first expedition of 2025 to explore the ocean surrounding the #MarianaIslands with Orpheus Ocean! Learn more about the NA171 expedition through our #blog: bit.ly/4iG89VR Funding from: NOAA Ocean Exploration Bureau of Ocean Energy Management USGS

Today, May 7, at 2 pm ET, tune in for a webinar to learn how long-endurance marine robotics can offer reduced costs, weather-independence, and improved scalability for tasks ranging from fisheries stock assessment to bathymetric mapping. Register here: vimeo.com/event/5070546/….

Newly named in 2020, this genus & species of sponge, Advhena magnifica, Latin for “magnificent alien,” was first seen during a 2016 #Okeanos expedition. During our 2025 expedition, we caught another glimpse of this “E.T. sponge.” More from 2025: oceanexplorer.noaa.gov/okeanos/explor…

During the recent #Okeanos expedition, we explored 12 seamounts. Seamounts are important deep-ocean habitat, with water flowing around them delivering critical nutrients to animals that call seamounts home. More from the expedition: oceanexplorer.noaa.gov/okeanos/explor…

Take a virtual dive into history! 💻🌊 Join us for LIVE dives in Lake Ontario National Marine Sanctuary starting May 18! 🚢 Explore 200-year-old shipwrecks and uncover maritime mysteries from home. Dive schedule + livestream info 🗓️sanctuaries.noaa.gov/news/2025/take…

#OTD in 2019, we discovered a #shipwreck off Florida's Gulf coast during a shakedown expedition on #Okeanos. It was possibly a sailing vessel from the mid 1800s. Findings like these help us understand the ocean as a whole & our history in relation to it. oceanexplorer.noaa.gov/news/explorati…

🚨 #DiveAlert! We’re taking our ROVs over 3,700 meters deep to explore the Burke Vent Field in the Mariana Back-arc region. Watch live at nautiluslive.org

We've been supporting the development of the Orpheus AUV for several years, so it's exciting to see the vehicle operationally in action, helping us to better explore and thus understand even the deepest reaches of our ocean!

Watch as an Atlantic Midshipman snatches a barracudina as it swims by. Quill worms & an unlucky snail (wait for the end!) bear witness to the scene. Observations of predation events are exciting AND increase our understanding of deep-ocean life & ocean ecosystem as a whole.

Check out the 2nd Hydro International issue of 2025, which includes our very own Mapping Operations Manager, Derek Sowers, and his work helping to map the largest deep sea coral reef on the Blake Plateau: hydro-international.com/content/magazi…

Happy World Ocean Day! 🌊 Here's hoping you never stop exploring and appreciating the wonders of our ocean... [We saw this very active Pacific fourhorn octopus (Pteroctopus hoylei) while exploring an unnamed seamount northwest of Holanikū (Kure Atoll) in April.]

June 15-July 2, a team will explore & provide initial characterization of seafloor habitats in the Aleutian Islands via HOV Alvin dives & seafloor mapping, looking for corals & sponges, volcanoes, gas seeps, hydrothermal vents, & critical minerals. Info: oceanexplorer.noaa.gov/explorations/2…