Physicist and author of "Physics of the Future" Michio Kaku warned world citizens this morning on Good Morning America about the pending threat of enormous  earthquakes.

"In our life time, we could very well see one of these cities destroyed," Kaku said. "Los Angeles,

San Francisco, Mexico City, Tehran, Tokyo."

Kaku pointed to changes in the physical structures of human civilization, and how the new composure poses many risks. "We are creating mega cities where there used to be fishing villages," he said.

 

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