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A gas explosion is an explosion resulting from mixing a gas, typically from a gas leak, with air in the presence of an ignition source. In household accidents, the principal explosive gases are those used for heating or cooking purposes such as natural gas, methane, propane, butane. In industrial explosions many other gases, like hydrogen, as well as evaporated (gaseous) gasoline /petrol or ethanol play an important role. Industrial gas explosions can be prevented with the use of intrinsic safety barriers to prevent ignition.
There have been many extremely large explosions, accidental and intentional, caused by modern high explosives, boiling liquid expanding vapour explosions (BLEVEs), older explosives such as gunpowder, volatile petroleum-based fuels such as petrol, and other chemical reactions. This list contains the largest known examples, sorted by date. An unambiguous ranking in order of severity is not possible; a 1994 study by historian Jay White of 130 large explosions suggested that they need to be ranked by an overall effect of power, quantity, radius, loss of life and property destruction, but concluded that such rankings are difficult to assess.
The Chechnya Spetsnaz base explosion was the February 8, 2006, blast at the Russian Defense Ministry's special security unit barracks at Kurchaloi near Grozny, Chechnya, which killed at least 13 Russian special forces troops and injured 28 more, according to the official statement.
The al-Khilani mosque bombing occurred on 19 June 2007 when a truck bomb exploded in front of the Shia Al-Khilani Mosque in Baghdad, Iraq. At least 78 people were killed and another 218 injured in the blast. The explosion occurred just two days after a four-day curfew banning vehicle movement in the city was lifted after the al-Askari Mosque bombing (2007), and just hours after 10,000 US troops began the Arrowhead Ripper offensive to the north of Baghdad. Because the site was a Shia mosque, the bombing is presumed to have been the work of Sunnis. The Sinak area where the explosion took place was also the targeted by a suicide car bomber on 28 May 2007, which resulted in 21 deaths.
The 2009 Chongqing mine blast was a gas explosion that occurred at a coal mine in Southwestern China in Qijiang County, Chongqing.
The 2009 Heilongjiang mine explosion was a mining accident that occurred on November 21 2009, near Hegang in the Heilongjiang province, northeastern China, which killed over 108 people. A further of 29 people were hospitalised. The explosion occurred in the Xinxing coal mine shortly before dawn, at 02:30 CST, when 528 people were believed to be in the pit. Of these, 420 are believed to have been rescued.
Energy resources bring with them great social and economic promise, providing financial growth for communities and energy services for local economies. However, the infrastructure which delivers energy services can break down in an energy accident, sometimes causing considerable damage. Energy fatalities can occur, and with many systems deaths will happen often, even when the systems are working as intended.
On 31 January 2013 in Mexico City, an explosion caused by a gas leak occurred beneath Building B-2 at the Torre Ejecutiva Pemex, a skyscraper complex that is the headquarters of Pemex, the Mexican state oil company. At least 37 people died and another 121 were injured when an explosion occurred in a building adjacent to the main tower. Earlier in the day, Pemex sent out a tweet saying that the building was being evacuated due to a "problem with the electrical system" in the complex that includes the skyscraper.
The Islamic State of Iraq and the Levant – Khorasan Province is a branch of the militant Islamist group Islamic State of Iraq and the Levant (ISIL) active in South Asia and Central Asia. Some media sources also use the terms ISK, ISISK, IS-KP, ISIS-K, or Daesh-Khorasan in referring to the group. The Khorasan group's main activity is in the border region of eastern Afghanistan and northern Pakistan, but its area of operations also includes other parts such as Tajikistan, and India where individuals have pledged allegiance to it.
In February 2016, a series of explosions caused the deaths of 36 people, including 31 miners and five rescue workers, at the Severnaya coal mine 10 kilometres north of the city of Vorkuta, Komi Republic, Russia. The explosions were believed to be caused by ignition of leaking methane gas. It is the second deadliest mining disaster of the 2010s behind the Soma mine disaster, and fourth deadliest of the 21st century thus far.
On 12 January 2019, an explosion occurred at a bakery on Rue de Trevise in 9th arrondissement of Paris, France. Two firefighters, a Spanish tourist, and another woman were killed, and forty-seven others were injured. According to local prosecutor Remy Heitz, the apparent cause of the explosion was a gas leak. Firefighters were present at the bakery before and at the time of the blast while investigating a suspected gas leak.
On 18 January 2019, a pipeline transporting gasoline exploded in the town of Tlahuelilpan, in the Mexican state of Hidalgo. The blast killed at least 137 people and injured dozens more. Mexican authorities blamed fuel thieves, who had illegally tapped the pipeline. The explosion was particularly deadly because large crowds of people had gathered at the scene to steal fuel. Security forces tried to persuade people to move away from the scene, but they were outnumbered and asked not to engage with civilians for fear of causing a violent confrontation. The leak was reported at 17:04 CST (11:04 UTC), and the explosion occurred two hours later at 19:10. It took about four hours for responders to extinguish the fire.
On 18 October 2019, a bombing occurred in a mosque in Haska Meyna District, Nangarhar province, Afghanistan, killing at least 73 worshippers. Dozens more were injured in the attack. No group has claimed responsibility.
References
- ↑ "Narayanganj mosque blast: death toll rises to 24;". The Daily Star. 5 September 2020. Retrieved 5 September 2020.
- 1 2 Manik, Julfikar Ali; Abi-Habib, Maria (5 September 2020). "Explosion at Mosque, Likely Caused by Gas Leak, Kills 16 in Bangladesh". The New York Times . ISSN 0362-4331 . Retrieved 5 September 2020.
- ↑ "Blast at Narayanganj mosque: Death toll rises to 31". The Financial Express. 10 September 2020. Retrieved 10 September 2020.
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