International District Complete

July 27, 2014

With good weather, we are making rapid progress in completing all major tasks planned for the summit of Axial Seamount during Leg 1. Yesterday, upon completion of the Central Caldera geophysical Site, we made a full court press on a major hydrot
Central Caldera Complete

July 26, 2014

It has been a marvelous, exciting, intense past 24 hours with the successful installation of the 4.7 km extension cable that will connect Primary Node 3B with the Central Caldera geophysical Site. Giora Proskurowski and Skip Denny, working with
Installing the Central Caldera Site

July 25, 2014

With great diving weather, the ship has been abuzz with activity preparing for dives to the Central Caldera geophysical site. Last night the medium powered J-Box MJ03F was installed on Dive R7124, and a broadband seismometer and low frequency hy
Installation Complete At International District 2

July 24, 2014

Alas, yesterday the weather gods were angry and so last night we were hove to, waiting for the seas to calm. Luckily the winds dropped and we were able to get the ROV into the water again.
Installation Complete At Eastern Caldera

July 23, 2014

Today is an exciting day -- it marks completion of instrument installation at the Eastern Caldera Site at the summit of Axial Seamount. This site is one of three key geophysical sites on the volcano as part of the OOI-RSN cabled observatory funded by NSF.
Intense Activity on the Thomas G Thompson

July 21, 2014

The past day and today have been incredibly busy with four ROV dives to the seafloor. The ROPOS team was highly efficient with some vehicle turn-around-times of <3 hrs. Most vehicles take much longer than this.
Installing J Boxes and Instruments In International District Vent Field

July 20, 2014

Today has been an intense, very exciting day - it is only 1815, and ROPOS has already made two trips to the seafloor in the International District vent field during Dives R1717 and R1718.
Completing the Cable and Junction Box Installation at Axial Base

July 19, 2014

In the wee morning hours, ROCLS unexpectedly became stuck in soft sediment when it was unlatched from ROPOS at the end of the 1-km cable lay. Surprisingly, there was a bit of a slope, and this, plus the soft sediment, caused ROCLS to sink down
Preparing to Install Cable at 8500 ft Beneath the Ocean's Surface

July 18, 2014

Today's activities focused on preparing to lay nearly 4000 ft of extension cable onto the seafloor and to deploy a junction box at a depth of 8530 ft beneath the ocean's surface at the base of Axial Seamount (Site PN3A).
Diving in the International District Vent Field

July 17, 2014

Last night's weather conditions, with sustained winds of up to ~30 mph over the past 24 hours, precluded the launch of the ROV ROPOS. These winds are not atypical of the NE Pacific
  • Videos

Instruments Discov ...

Join this fine group of instruments as they explore the deep ocea ...

R1725 Highlights B ...

Central Caldera Site: The broadband seismometer& ...

R1724 Highlights C ...

Central Caldera Site: Deployed MJ03F at the proj ...

R1723 Dive Highlig ...

International District 2 Site Complete: This div ...