Blog

Gas is a highly favoured source of energy when it is handled correctly. As more people rely on gas as an alternative for electrical supply issues, it’s crucial to understand the importance of gas safety and how explosions can occur. Read on to find out more about gas explosions, safety tips and how to prevent fatalities if you suspect a gas leak.

Recent Gas Explosions in South Africa

On Wednesday, 19 July 2023, a suspected underground gas explosion caused havoc in the ever-busy streets of central Johannesburg. So far, one person has been confirmed dead, with an estimated 41 people treated for minor to severe injuries. The cause of the blast is still being investigated, while iGoli Gas, the city’s leading gas supplier, has stated that the underground gas pipelines cannot be responsible.

Experts are still debating what the cause is. However, due to the nature of the explosion, there’s a strong possibility that a gas leak could be the underlying cause. Gas explosions aren’t a common occurrence.

Yet, significant damage and loss of life are possible when they do happen. Emergency responders note that gas leaks can be fatal, and structural damage from a gas explosion can cause massive damage as people can be trapped under the rubble or injured by the blast’s materials.

Causes of Gas Explosions

Various gases can cause an explosive reaction when exposed to a flammable spark or open fire. Natural gas, butane, methane and propane are common gases that can cause an explosion. Most importantly, a leaking gas pipe indicates a potentially life-threatening incident.

Gas lines are standard in infrastructure and some homes in South Africa. Loadshedding and increased power outages nationwide have seen more homes and buildings relying on alternative means of power, such as gas. However, gas lines can become compromised due to various reasons.

Even though gas line leaks don’t happen often, they can cause severe damage when they occur. Here are five reasons why a gas line may leak:

• Worn out pieces or fittings between appliances and gas lines.
• Poorly maintained and old gas pipes and appliances.
• An underground movement can disrupt old piping.
• Ground moisture causes rusting of gas pipes.
• Malfunctioning gas lines.

Signs of a Gas Leak

It’s crucial to know how to detect if you’re in an area with a potential gas leak. The following are common signs to look out for:

• Smelling sulphur or rotten eggs.
• Hissing sounds around or close to your gas line.
• Air bubbles in standing water or puddles can signal natural gas seeping through underground soil.
• Wilted or dead flowers, trees or plants around the gas line.
• Physical symptoms such as headaches, dizziness, or irregular breathing can indicate natural gas poisoning.
• An unexpected increase in usage of gas in your home.

Safety Tips to Avoid a Gas Explosion

If you suspect a gas leak, you should know how to stay safe to prevent fatalities. Indoor gas leaks are common causes of fire emergencies. A recently reported home gas explosion in South Africa occurred in Soweto on 20 July 2023.

The following safety tips can help you prevent a gas explosion at home:

• If you’ve recognised signs of a potential gas leak, you should evacuate your premises immediately.
• If you have enough time, ensure you open all windows and doors before you evacuate.
• Use the iER App to access suitable emergency responders.
• Don’t expose yourself to the gas leak or try to repair it.
• Do not use electrical devices or flammable instruments such as matches or lighters. They can trigger a spark that can ignite natural gas leading to a life-threatening explosion.

Natural gas leaks and explosions are dangerous. Not only do they cause fatalities, but they can cause severe structural damage. When an explosion cannot be avoided, knowing how to contact emergency responders is essential.

In conclusion, it’s crucial to take safety precautions when you are handling gas. An uncontrolled gas leak can be dangerous and deadly in worse-case scenarios. Ensure you know how to use the iER App to gain access to over 13 000 emergency responders should you detect a gas leak or be within proximity of a gas explosion.