Massive gas explosion in Graz: 47-year-old dies after tragedy
A 47-year-old man was seriously injured in an explosion in Graz-Mariatrost. Cause unclear, fire brigade on duty.

Massive gas explosion in Graz: 47-year-old dies after tragedy
On Wednesday morning, June 4, 2025, a massive explosion shook a residential building on Roseggerweg in Graz-Mariatrost and presented the emergency services with a challenging situation. The Graz fire department was alerted shortly after 9:30 a.m. after a ceiling collapse was first reported. When emergency crews arrived, they quickly discovered that the building had partially collapsed - the walls were blackened and the roof had collapsed.
A 47-year-old resident was rescued from the rubble with serious injuries and taken to the LKH Graz. Although he was initially able to free himself and was responsive, he later died in hospital. The operations manager, Gernot Ranftl, realized after seeing the man's burns that it must have been an explosion. The original operational scenario had changed dramatically because there were no other people in the apartment, which was confirmed by other statements.
The causes remain unclear
The exact cause of the explosion is currently unknown, but the fire department speaks of a possible gas explosion. There are indications that the explosion could have been caused by a gas cylinder. The investigation into the exact cause was taken over by the Styrian State Criminal Police Office. During the operation, the firefighters used a multi-gas detector and a thermal imaging camera to check the building for further gas leaks and fire spots. The emergency services, consisting of 18 firefighters, were on duty for around two and a half hours and were ultimately able to assess the building as no longer habitable.
The entire building was officially closed and a large area cordoned off. An eerie shadow falls on the area, which until a few years ago was a popular meeting place thanks to the nearby Roseggerhof excursion inn, but has been closed for some time. The shock waves of this tragedy will likely be felt in the neighborhood for a long time.
Fire protection is crucial
The incident once again highlights the importance of fire protection measures. In Germany, for example, where relevant statistics are kept, safety is the top priority. In Austria, fire safety measures are also crucial to avoid tragic incidents like this. The culprits of the explosion are now being investigated by the relevant authorities. A well-thought-out safety concept could save many lives in the future and prevent such accidents.
Puls24 reports about the incident, while also the Small newspaper provides further details about what happened. You can find support and information on fire safety measures at swl-brandschutz.de.