Before and after satellite footage taken by Maxar Technologies shows the extent of flooding after an explosion(opens in a new tab) at a dam in the currently Russian-occupied Kherson Oblast in southern Ukraine.

Before the explosion, the 30-meter-high and two-kilometer-long dam retained the Kakhovka reservoir, holding 18.2 cubic kilometers of water. Now, at least 230 square miles(opens in a new tab) of surrounding land have been flooded, sweeping hundreds of settlements, destroying homes and ecosystems, and displacing thousands of people.

While investigations are still underway Ukraine has called(opens in a new tab) for a recognition of the dam’s destruction as an act of ecocide(opens in a new tab).