Ih the Qing Dynasty, Chen Lanbin, the first proctor of Chinese students studying abroad and the first China's envoy in U.

陈兰彬是清季首任留学生监督和首任驻美公使。

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The magnitude of the earthquake and its shallow depth -- 15.2 miles (24.5 kilometers) -- created a lot of energy, said Shenza Chen of the U.S. Geological Survey.

CNN: Widespread destruction from Japan earthquake, tsunamis

Chen and Nordhous superimposed a grid on high-resolution, nighttime images of the globe taken by U.S. Air Force satellites.

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