'Exodus' from Puerto Rico: A visual guide

Updated 12:43 PM ET, Wed February 21, 2018

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(CNN)Before Hurricane Maria hit Puerto Rico on September 20, there already was an unprecedented migration from the Caribbean island to the mainland United States -- at least in part because of the US commonwealth's financial crisis. After the storm, academics are starting to use words such as "exodus" and "stampede" to describe the massive outflow of people.

"This is the greatest migration ever from Puerto Rico since records have been taken," said Jorge Duany, a professor of anthropology at Florida International University.
Some reasons for the migration are obvious: Millions of Americans living in Puerto Rico were left without power or running water because of the Category 4 hurricane. Schools were closed. Jobs lost. There seemed to be little hope on the horizon. Puerto Ricans are American citizens and c