An explosion at the Enaex Brasil factory in Quatro Barras, Greater Curitiba, left at least 15 victims, including seven missing, on Tuesday morning, August 12, 2025, around 5:50 AM. The incident, which caused widespread panic in nearby cities like Piraquara, Colombo, and Campina Grande do Sul, damaged homes and businesses, with reports of collapsed ceilings and shattered glass doors. Enaex Brasil, operating 24/7 to produce materials for rock blasting, was evacuated, and rescue teams, including firefighters, police, and medical personnel, are working under high-risk conditions due to explosive materials on-site. The cause of the explosion remains unknown, and authorities are investigating.
The blast’s impact was felt kilometers away, with smoke visible across multiple cities. Firefighters contained small fires, but rescue operations remain challenging due to the risk of further explosions. The company, located at kilometer 1 of BR-116, stated it is assessing the incident, while residents report shock and material losses.
- Reported damages: Homes and businesses affected within a significant radius.
- Mobilized teams: Firefighters, Military Police, Siate, and Samu are assisting.
- Ongoing risk: The area with explosive materials requires cautious rescue efforts.
- History: The factory, formerly Britanite, had a fatal explosion in 2004.
Details of the Quatro Barras incident
The explosion occurred in a storage and handling area for explosive materials, according to the Fire Department. Security cameras captured the loud blast and a thick cloud of smoke. Residents in Quatro Barras and nearby areas reported tremors and damages, such as cracked walls and broken windows. Captain Luisiana from the Fire Department emphasized the operation’s complexity: “We’re assessing conditions to proceed, as the risk of new explosions is high.”
Specialized teams, including the Tactical Rescue Operations Group (Gost) and the bomb squad, are evaluating the site’s safety. Search dogs and drones are being used to locate survivors and detect active explosives. So far, no updates on the missing individuals’ conditions have been released, but authorities confirmed eight workers were in the affected sector.
Enaex Brasil, operating round-the-clock, had employees on-site during the incident. The company, a leader in explosives production and rock blasting since 2017, stated the facility was fully evacuated and is cooperating with authorities to determine the cause.
Community and authorities’ response
The explosion caused widespread concern among Greater Curitiba residents. Social media posts captured the chaos, with videos showing the blast’s sound and residents’ distress. “It felt like a movie scene; the ground shook, and the noise was deafening,” a Piraquara resident shared. Homes and businesses within a wide radius reported damages, including collapsed ceilings and shattered glass.
State Public Security Secretary Colonel Hudson Teixeira confirmed the incident’s severity, prioritizing survivor searches. “We’re deploying all available resources to ensure safety and locate victims,” he said. The BR-116 highway operator, Arteris Sul Litoral, reported no traffic disruptions but is monitoring the situation.
- Mobilization: Rescue teams work alongside local authorities.
- Material damages: Significant losses reported in homes and businesses.
- Community reaction: Residents share shock and seek updates online.
- Public safety: Authorities reinforce area isolation to mitigate risks.
@g1 #Paraná – Uma explosão em uma fábrica de materiais explosivos, a Enaex Brasil, assustou moradores de Quatro Barras e da Região Metropolitana de Curitiba, por volta das 5h50 da manhã desta terça-feira. Câmeras de seguranças instaladas em residências da região registraram o barulho. O caso provocou danos estruturais em casas, comércios e empresas. Ainda não há informações sobre o que de fato aconteceu. De forma preliminar, os bombeiros falam em 15 possíveis vítimas, entre feridos e desaparecidos. Segundo a capitã Luisiana, a empresa informou que o local é uma área que armazena material explosivo. Ela explicou também que surgiram focos de incêndio, que foram apagados. A explosão foi sentida em cidades como Piraquara, Colombo e Campina Grande do Sul. Veja mais clicando em 'leia o artigo' #g1 #g1local #grandecuritiba #explosão #fábrica #tiktoknotícias ♬ som original – g1
Enaex Brasil’s background
Enaex Brasil, formerly Britanite, has a long history in producing explosives for mining and rock blasting. Based in Paraná, the company operates continuously and is a market leader. However, the 2025 incident isn’t the first at its Quatro Barras facility. In 2004, an explosion killed four people, raising renewed concerns about operational safety.
The company stated it is reviewing safety protocols and assisting investigations. Experts suggest accidents in explosives factories, though rare, can stem from human error, faulty equipment, or improper storage. Enaex Brasil has not yet disclosed details about the incident’s potential causes.
- Prior incident: A 2004 explosion claimed four lives.
- Continuous operation: The 24/7 factory increases risk exposure.
- Investigation: Company and authorities seek to identify the cause.
- Market leadership: Enaex dominates the explosives sector since 2017.
Safety measures and next steps
Authorities have isolated the factory area to prevent further incidents, with the bomb squad conducting a thorough site assessment. Small fires were extinguished, but explosive materials demand extreme caution. The Fire Department confirmed ongoing searches for the missing, with teams working in shifts to cover the affected area.
Enaex Brasil pledged support for victims and their families, cooperating with investigations. The company also committed to assessing community damages for potential compensation. Affected residents are compiling loss reports for possible reparations.
- Isolation: The factory area remains restricted for safety.
- Support: Enaex promises aid to victims and the community.
- Searches: Drones and dogs assist in locating the missing.
- Compensation: Company evaluates damages for reparations.
Regional impact
The incident shook not only Quatro Barras but also nearby cities, where the blast’s noise and shockwave were felt. In Colombo, residents reported broken windows and cracked walls. In Piraquara, the event drove people to the streets seeking answers. Thick smoke, visible from afar, heightened fears of environmental risks.
Samu and Siate teams responded to emergency calls from homes and businesses, but the focus remains on finding the missing. The Military Police increased patrols to prevent looting or secondary incidents. The local community, still in shock, is organizing to share information and support those affected.
- Affected cities: Colombo, Piraquara, and Campina Grande do Sul report damages.
- Emergency response: Samu and Siate provide victim support.
- Community efforts: Residents organize to address losses.
- Enhanced security: Police monitor the area to prevent issues.
Investigation progress
Authorities have yet to pinpoint the explosion’s cause, exploring possibilities like operational failure, human error, or equipment issues. Enaex Brasil emphasized its strict safety protocols, but the incident raises questions about their effectiveness. The Fire Department and Civil Police will conduct detailed inspections in the coming days.
The immediate priority is locating the missing and securing the site. Industrial safety experts suggest the accident could prompt a review of sector regulations. Meanwhile, the community awaits answers and assistance to rebuild.
- Hypotheses: Human error, technical failure, or improper storage.
- Inspections: Fire Department and Civil Police investigate the site.
- Regulatory review: Incident may lead to updated safety standards.
- Community needs: Residents seek clarity and support.