. . GEOLOGY: VOLCANOES: Scientists Celebrate Successful Forecast of Undersea Volcano Eruption off Newport . . Scientists Celebrate Successful Forecast of Undersea Volcano Eruption off Newport Published: Tuesday, August 09, 2011, 6:50 PM Updated: Tuesday, August 09, 2011, 9:03 PM By Lori Tobias, The Oregonian http://www.oregonlive.com/pacific-northwest-news/index.ssf/2011/08/ scientist_celebrate_successful_forecast_ of_new_eruption_of_undersea_volcano_off_newport.html . A shorter URL for the above link: . http://tinyurl.com/3rdyghw . .Chadwick and colleagues had discovered the newest eruption of the Axial Seamount, an undersea volcano 250 miles northwest of Newport -- and it had happened just as Chadwick and fellow researcher Scott Nooner, a Columbia University scientist, said it would five years earlier.
.Chadwick and Nooner have been monitoring the volcano since it last erupted in 1998. In 2006, they published a paper in the Journal of Volcanology and Geothermal Research forecasting the Axial would erupt before 2014.
."This sort of thing has been observed on volcanoes on land before," Chadwick said. "This is the first time this has been observed in a submarine volcano. We wanted to go out on a limb a little bit and test the idea if we could forecast an eruption, and lo and behold it sort of worked."
.Their work monitoring the volcano could help scientists research other geohazards on the ocean floor, said Barbara Ransom, program director in the National Science Foundation's Division of Ocean Sciences, which helps fund Chadwick's work.
."This could also be technology to apply to faults, to monitoring movement on faults that occur on the western coast or wherever you want to have it. The technology to be able to see really small millimeter to centimeter differences in the motions of the seafloor, that's really quite huge."
. snip .As it turns out, the first accurate forecast of an undersea volcano eruption has its roots on Mount St. Helens, where Chadwick went to work right out of college.
."It was after the eruption," Chadwick recalled. "We were measuring movement of the ground in the crater. Cracks would open in the crater floor, faults would move. We were making all these measurements and we found we could anticipate when those eruptions would happen. That whole experience made me want to try to do the same thing underwater when I started to work on submarine volcanoes. It made me want to see if the same thing was possible on the seafloor."
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