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I thought this could be interesting as it's only known locally, so I came to share the mystery of an "explosion" in Argentina that caused the death of a 43 year old woman called Silvia Espinoza Infante and had over eight people injured. To this day the reason does not have an exact answer. Theories range from a gas cylinder, a meteorite, a missile, antimatter, a satellite, and a lot of people even say UFOs. I did my best to recollect the main points that testimonials would mention so that the post is not long.
Here is an article from an Argentine newspaper ruling out a gas cylinder, so the nonsense about a gas cylinder is baseless... https://www.perfil.com/noticias/sociedad/aparece-foto-de-bola-de-fuego-en-el-cielo-y-descartan-explosion-de-garrafa-20110926-0016.phtml
On Monday, September 26, 2011, at 2 AM, in Monte Grande, Esteban Echevarría, two houses and a store were destroyed by a strong explosion that ended up killing a woman. The official explanation given by the authorities was that it was due to a gas cylinder connected to a pizza oven that exploded, however, after the explosion, it can be seen that the gas cylinders were intact and the neighbors do not believe this was the cause.
Here's some interesting info about the case I gathered:
-(Updated) It left a small crater with about 1m of length and almost no depth. https://www.visionovni.com.ar/wp-content/uploads/images/img4e86688828ba0.jpg (I had linked below a PDF explaining it could be a micro-Tunguska event like the one in Siberia, June 30, 1908 but that hypothesis also assumes there was no crater.
If anyone feels like reading it, here is a detailed analysis... https://www.reddit.com/r/UnresolvedMysteries/comments/1av9g2n/september_26_2011_explosion_in_monte_grande/