Editor's Note: Journalist and crew member Kathryn Eident is traveling on board the RV Atlantis on a monthlong voyage to explore undersea volcanism in the eastern tropical Pacific Ocean, among other research projects. This is the third blog post detailing this voyage of discovery for ScientificAmerican.com
For geologist Tracy Gregg, exploring submarine volcanoes is a lot like being a CSI detective, just without the bodies. While a CSI team gathers evidence to find the killer, Gregg explores the aftermath of a volcanic eruption so she can understand what's happening beneath the Earth's surface. [More]