The science of earthquakes. Shifting plates beneath the earth’s surface have created beautiful mountain ranges and devastating natural disasters. Why the earthquake in Haiti caused more destruction than a stronger one in Chile.


  • James Whitcomb Head, Deep Earth Processes Section, Division of Earth Sciences at the National Science Foundation.
  • Tim Beach Professor of geography and geoscience; Cinco Hermanos chair in environment and international affairs, School of Foreign Service, Georgetown University.
  • Mike Blanpied Associate program coordinator for the U.S. Geological Survey's Earthquake Hazards Program.

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