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![](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/images/x.gif) Press Release 09-090 Marine Scientists Return From Expedition to Erupting Undersea Volcano
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Find massive volcanic cone, new deep-sea animal species
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![Lava erupts onto the seafloor at NW Rota-1, creating a cloudy, extremely acidic plume.](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/news/mmg/media/images/seafloor_erupt_1_f.jpg) |
Lava erupts onto the seafloor at NW Rota-1, creating a cloudy, extremely acidic plume.
Credit: WHOI |
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![This three-dimensional view shows the NW Rota-1 volcano, site of a recent expedition.](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/news/mmg/media/images/seafloor_erupt_2_f.jpg) |
This three-dimensional view shows the NW Rota-1 volcano, site of a recent expedition.
Credit: NOAA |
![The NW Rota-1 undersea volcano is located north of the island of Guam.](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/news/mmg/media/images/seafloor_erupt_3_f.jpg) |
The NW Rota-1 undersea volcano is located north of the island of Guam.
Credit: NOAA |
![The remotely operated vehicle Jason is about to descend to the seafloor.](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/news/mmg/media/images/seafloor_erupt_4_f.jpg) |
The remotely operated vehicle Jason is about to descend to the seafloor.
Credit: Heidi Berkenbosch, GNS Science, New Zealand |
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![Scientists track Jason's progress on the sea-floor from a control room aboard ship.](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/news/mmg/media/images/seafloor_erupt_5_f.jpg) |
Scientists track Jason's progress on the sea-floor from a control room aboard ship.
Credit: Verena Tunnicliffe |
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![Two unique species of shrimp were discovered at NW Rota-1.](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/news/mmg/media/images/seafloor_erupt_6_f.jpg) |
Two unique species of shrimp were discovered at NW Rota-1.
Credit: WHOI |
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![Jason's arm samples NW Rota-1; the dark rocks are lava.](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/news/mmg/media/images/seafloor_erupt_7_f.jpg) |
Jason's arm samples NW Rota-1; the dark rocks are lava.
Credit: WHOI |
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![Jason is lifted from the ocean after a dive.](https://webarchive.library.unt.edu/eot2008/20090506064054im_/http://www.nsf.gov/news/mmg/media/images/seafloor_erupt_8_f.jpg) |
Jason is lifted from the ocean after a dive.
Credit: Kathy Cashman, University of Oregon |
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