Italian navy ships have located what is believed to be the fishing boat that capsized April 18 with an estimated 800 migrants aboard.

Using sonar and a submarine, the navy said Thursday it had located a blue, 25-meter (82-foot) vessel matching the description of the doomed boat some 85 miles northeast of the Libyan coast. It was resting on the seabed some 375 meters (1,230 feet) under water, a statement said.

A navy official said at such depths the boat could be raised, but that any decision to do so rested with Sicilian prosecutors who are conducting the criminal investigation into the deaths.

The capsizing set off a new round of soul-searching in Europe about how to handle the record waves of migrants leaving Libya aboard smugglers' boats.