Colombia earthquake has killed at least 132. Research helps explain why it was so destructive

People remained trapped in Cali, one of Colombia's largest cities, after more than two dozen structures collapsed, Mayor Alejandro Eder said.

A powerful earthquake, measured at magnitude 7.4, has struck Colombia, killing dozens of people and trapping many under rubble. Cities including Cali, Pereira and Manizales were…

Local media shows images of people trapped under fallen masonry