Shanghai Pudong Lujiazui Financial District
70% of the subsidence in Shanghai attributed to the excessive exploitation of urban groundwater, while the remaining 30% comes from the influence of high-rise buildings and major construction.
Laboratory in Florida, USA.
When the laboratory was built, the door of the house was flatted to the ground. However, the ground subsidence caused the local stratum to sink constantly and then lower the quality of life. Because of the inconvenience for life, the ground elevation of the house was raised.
Arizona, United States
The ground fissures are one of the geological disasters caused by subsidence. Investigate the reason. Because the local ground water source is insufficient, farmers have long used groundwater to irrigate crops.
San Joaquin Valley, California
What’s the meaning of the number “1925”, “1955” and “1977” written on the pillar? The lowest sign close to the ground was the ground height in 1977. The local ground sank 9 meters between 1925 and 1977. This is the real formation of the San Joaquin Valley in California, USA. It’s really shock.
Laizhou City, Shandong Province
over-exploitation of groundwater has also caused disasters such as subsidence of the stratum, pollution of groundwater quality, large-scale scrapping of wells and depletion of springs.
Florida, USA
A local swimming pool suddenly collapsed into a funnel shape, causing the surrounding buildings to collapse and to be damage seriously. The local rock formation is mainly composed of calcium carbonate. After soaking in water, dissolution occurs in the soil to separate particles of it, loses its original consolidation characteristics and becomes dispersed. In addition, the pressing of the upper layer and structure is also a factor for happening serious subsidence and deformation.
Florida, USA
As the agricultural industry in Midwest Florida becoming flourish day by day, the demand for the water has increased. In the case of insufficient surface water sources, groundwater extraction becomes the only way to obtain water sources. Due to the continuous declination of the local groundwater level, the ground subsidence formed a huge funnel-shaped scene.
Northern Ohio, United States
The picture is the small town in northern Ohio where has many potholes with different sizes. It’s “the masterpiece” of the over-exploitation of the mineral. Because of the over-exploitation and not backfilling in time, the residents suffer from the disaster of subsidence. Therefore, the mineral becomes “a killer” in this town.
Houston, Texas, USA
The long-term development of mineral and groundwater resources in the Houston (Texas Industrial City) area made the local strata sink 5-7 feet, which caused the water intrusion along the bay when the typhoon comes.
Hutchinsont City, United States
The city of Hutchinsont in the United States has suffered serious subsidence because of long-term mining.
Chinese Wild Goose Pagoda
The Wild Goose Pagoda in Xi'an has been digging groundwater uncontrollably for decades, causing the subsidence of the stratum for 1198 mm and tilting the Wild Goose Pagoda to the west for 886 mm
Ground fissures in Shaanxi, China
The length of the ground fissure is 153 meters, and the widest point is 17 centimeters. The occurrence of the fissure is related to the local ultra-pumping groundwater. The fissure intensifies day by day. It will make a big impact on residents’ life if the related authorities don’t take the proper strategy for it.
American Well Tube Outburst
The photo was taken by the United States Geological investigator in 2001. The surface collapse caused the well pipe to protrude and the system facilities to be damaged.
Tokyo sink reference sign
The column is actually a reference sign for the height of stratum subsidence in Tokyo, Japan. The higher the sign, the deeper the local surface subsidence occurred. From 1920 to 1970, the surface of Tokyo subsided about 4 meters deep.
Arizona hazard warning sign
The subsidence of the stratum caused the damage to the Arizona highway. In order to prevent people from falling and being injured, the government sets up warning signs to remind the public to be careful.