Updates - OOI Expedition

Safety First: Drills Aboard the R/V Sikuliaq

Before setting sail from Seward, AK, the Papa 12 cruise team aboard the R/V Sikuliaq completed standard pre-departure safety training. These drills are a critical…

R/V Sikuliaq Heads to Sea for Papa 12

Following a smooth mobilization period in Seward, Alaska—including unloading containers, assembling moorings, burning in instrumentation, and loading the R/V Sikuliaq—the Papa 12 cruise officially got…

Papa 12 Cruise Underway from Seward, AK

The Papa 12 cruise officially completed mobilization in Seward, Alaska on May 18th aboard the R/V Sikuliaq. The vessel is now heading to the Station…

April 19-20: Successful Completion of the Pioneer 21 Cruise

The R/V Neil Armstrong neared Woods Hole after a successful Pioneer 21 Leg 2 expedition, scheduled to arrive Sunday morning at 09:00. Over the course…

April 16-17: Final Mooring Operations & Wrapping Up at Sea

The Pioneer 21 Leg 2 expedition continued with steady progress over the past two days, successfully completing the final major mooring operations and supporting regional…

April 14-15: Mooring Swaps and Shelf Surveys Continue

Calm seas and light winds supported two efficient days of operations aboard the R/V Neil Armstrong as the Pioneer 21 Leg 2 team completed major…

April 12-13: Strong Start to Pioneer 21 Leg 2

Leg 2 of the Pioneer 21 spring expedition kicked off with smooth transit from Woods Hole and calm seas that allowed for CTD work along…

April 5–6: Leg 1 Concludes with ROV Survey and Mission Success

Leg 1 of the Pioneer 21 cruise has officially wrapped with the successful completion of all planned objectives in the Mid-Atlantic Bight. Following several smooth…

April 4: Coordinating AUV Missions and Glider Deployment

The Pioneer 21 team continues to make steady progress as operations shift toward wrapping up Leg 1. Overnight, the crew closely monitored AUVs Roger and…

April 2-3: Smooth Seas, Steady Progress

Favorable weather—light winds and calm seas—allowed the team to make significant progress over the past two days. Operations began early with the successful deployment of…

March 31–April 1: Strong Momentum as Mooring and Glider Operations Advance

The CGSN team aboard the R/V Neil Armstrong made steady progress over March 31 and April 1 as part of the Pioneer 21 cruise in…

VISIONS’24 Comes to an End

On August 11, we closed out another highly successful Regional Cabled Array cruise with the completion of all core Ocean Observatories Initiative and externally funded PI tasks…

Woodfalls, Tidal Currents, and Ice on the Seafloor

The R/V Atlantis has been non-stop with activity over the last four days! The log trapping the cables at the 80 m shelf site was dealt with…

V24 Leg 2 Begins

After a very successful Leg 1 where the R/V Atlantis sailed under incredibly calm weather, Leg 2 began with a slightly wavier start on August 18th. The…

Oases in the Deep

We have spent the last two days diving at Axial Seamount, 300 miles off the coast of Oregon and Washington and nearly a mile beneath…

Life in the Abyss

Deep beneath the ocean’s surface, life persists in a realm of perpetual darkness. For many, the impression of this vast sediment-laden oceanscape is that the…