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
Weather Day in the NE Pacific

July 16, 2014

Yesterday's Dive (R1712) went very well: we completed all of our tasks. The ROV ROPOS came on deck at 2115h. In preparation for the next dive at PN3A, a junction box was moved to the ROV working platform, and a cable drum was readied for installat
VISIONS14 Leg 1 Arrived at Axial Seamount

July 15, 2014

The R/V Thompson arrived at the summit of Axial Seamount at ~ 2 am on July 15 to begin operations. During the previous day, ROPOS was completely tested and safety meetings were held among scientists, engineers, the ship crew and the ROPOS team t
Steaming to Axial Seamount

July 14, 2014

Today has been spent in preparation for the upcoming dive (Dive R1712) at the summit of Axial Seamount. Safety meetings were held among the ship, ROPOS, and science party teams, operational plans were discussed, and equipment readied fo
Nearly 25 years of dreaming, planning, strategizing

July 13, 2014

.... planning, and strategizing. Whatever you can do, or dream you can, begin it. Boldness has genius, power, and magic in it.
Loading and Mobilizing in Seattle

July 11, 2014

Lots of work is under way as the Thompson is loaded and ROPOS mobilized for the VISIONS 14 expedition, which is scheduled to sail on Sunday, July 13.
  • Videos

R1717 Highlights I ...

A rapid, efficient dive (R1717) by ROPOS to the Internat ...

R1716 Highlights A ...

During ROPOS Dive R1716, the 1 km extension cable from P ...

Laying Cable at th ...

During ROPOS Dive R1715, a 1 km cable was installed at the base o ...

R1714 Highlights A ...

ROPOS dives to 2600 meters at the base of Axial Seamount, near PN ...