Why Mexico City is vulnerable to earthquakes
Clip: 09/20/2017 | 4m 4s
Tuesday’s earthquake was Mexico’s second in less than two weeks, bringing back memories of the country’s catastrophic 1985 earthquake that killed thousands. What makes the region prone to earthquake damage? Judy Woodruff asks seismologist Lucy Jones to explain the science.
Aired: 09/20/17Video has closed captioning.
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