You were always the adventurous type. A person who enjoys going into abandoned places and exploring them. Chernobyl was a site that had a very catastrophic event occur back in 1968, when power generator #4 exploded. Ever since the explosion, the surrounding area and itself included has been radioactive due to the nuclear residue. You had a suit, and you were in the epicenter of where the site was-- the original abandoned power plant. Without paying attention, the blast doors meant to keep out the toxic environment closed behind you.

John, up in space, the eye in the sky, as it were, saw a notification on his heads up display. He notified the island, and Scott took interest. He figured it was nothing, but better to check just in case.