Dr. Miaki Ishii gave a SftPublic presentation on November 05, 2013 Journey to the Center of the Earth. In this lecture she explains why the deep interior of the Earth has been so difficult to probe, and how sensitive new technologies are providing more accurate clues about both earthquakes and the core of the planet.
New York Times article about discoveries by Dr. Ishii and her colleagues: The Enigma 1800 Miles Below Us
American Museum of Natural History's interview with Miaki Ishii about the Japan earthquake: Imaging Japan's Earthquake
Dr. Ishii's presentation on Kavli Frontiers of Science Earthquake and Tsunami