Dr. Chris Goldfinger is a marine geologist and geophysicist with a focus on great earthquakes, tsunami and structure of plate boundary fault zones around the world. He has experience with deep submersibles, sidescan sonar, seismic reflection, and other marine geophysical tools on over 40 oceanographic cruises over the last 25 years. He works on great subduction earthquakes along the Cascadia, NE Japan and Sumatran margins, as well as the Northern San Andreas Fault off northern California using the evidence for earthquakes found in deep-sea sediments. Goldfinger is a Professor of Marine Geology and received his PhD from Oregon State University in 1994. He has worked on documentaries with Discovery Canada, National Geographic, NOVA, the History Channel, the BBC, Oregon Public Broadcasting, Omni Fims and others.