Video footage from a previous Titan journey

The submersible “Titan” that had garnered much of the world’s attention for the past week experienced a “catastrophic implosion,” according to the U.S. Coast Guard.

The tragic result, authorities said, is that the five occupants on board are presumed to have died during the implosion.

How does such an implosion happen, and what kind of impact would it have had Titan’s crew? Northeastern Global News reached out to Arun Bansil, university distinguished professor of physics at Northeastern, to provide a basic overview of the physics involved—and the violent consequences associated with it.

What happens during a catastrophic implosion? Titan submersible occupants likely died instantly

The Titan submersible suffered a catastrophic implosion that likely killed its pilot and four passengers instantly amid the intense water pressure in the deep North Atlantic, experts said.

Maritime researchers called an implosion the worst possible outcome of all the scenarios envisioned during the desperate round-the-clock search to find the missing vessel.

The craft went missing Sunday and probably imploded that same day, according to an “anomaly” detected by a U.S. Navy acoustics system, but the international search effort continued because authorities did not consider the information to be definitive.

The Coast Guard announced the deaths from a “catastrophic implosion” on Thursday.

Crews are still looking for evidence of what occurred near the Titanic shipwreck, 12,500 feet (3,800 meters) below the surface.

Experts had cautioned that under intense pressure at extreme depths the Titan’s hull could implode, which would result in instant death for anyone aboard the vessel.

“I don’t think people can appreciate the amazing energy involved in the destructive process of an implosion,” Bob Ballard, a member of the team that found the Titanic wreck in 1985, told ABC News. “It just takes out and literally shreds everything.”

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