There are no accidents associated with the ground failure and the family living in the nearby house has been evacuated. Testing on soil samples will be performed and the results will be published in the following month. In any case, the causes of the ground failure are investigated with engineers and geologists visiting the site. In the second case, the sinkhole would have been caused by human impact. In addition, Mexican authorities suggested that a nearby fault could have affected the conditions which favored the ground collapse. An environmental secretary stated that the failure may also be attributed to the continual cultivation of the ground which may have impacted its properties or to the extraction of the groundwater (a process that typically results in large subsidence). According to authorities, the field is covered by volcanic deposits, hence, the collapse is probably associated with groundwater erosion (definitely not karst processes). The current sinkhole appeared on Saturday, May 30, 2021, and is filled with water. The size of a sinkhole may significantly vary from centimeters to hundreds of meters.
The sudden failure of the unsupported ground material is hazardous for people since it usually occurs without warning. They usually emerge in carbonate rocks (e.g., limestones) due to karst processes that dissolve the rock or in soft, unconsolidated rocks due to erosion from the underground water. The dissolution procedure erodes the underground bedrock, which can no longer support the roof's weight, leading to a collapse. Sinkholes are depressions that form due to the lack of stability of shallow voids within the ground or due to human activities and may pose a severe threat to infrastructure. Unfortunately, when its expansion will stop is a complex issue that cannot be predicted. It currently threatens a local house that is some meters away. However, it quickly started laterally expanding reaching more than 90 meters in diameter and more than 18 meters in depth.
Its geometry is near-circular and initially measured about 5 meters. The sinkhole opened in a field near the Santa Maria Zacatepec, a town situated in the state of Puebla, southern Mexico.
A massive sinkhole that threatens a house suddenly emerged in Mexico.
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