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  • Fissure - Wikipedia
    A fissure in the lava field of Þingvellir National Park, Iceland A ground fissure, also called an earth fissure, is a long, narrow crack or linear opening in the Earth's crust Ground fissures can form naturally, such as from tectonic faulting and earthquakes, or as a consequence of human activity, such as oil mining and groundwater pumping [2][3] Once formed, ground fissures can be extended
  • Earth Fissures Subsidence | Arizona Geological Survey - AZGS
    Earth Fissures in South-Central Arizona Some arid valleys of central and southeastern Arizona are home to earth fissures: pervasive cracks that occur on valley floors that result from basin subsidence associated with extensive groundwater withdrawal Earth fissures are an anthropogenic geologic hazard that threaten people, property, infrastructure (e g , roads, gas lines, canals), and livestock
  • Earth Fissures - Queen Creek, AZ
    What are earth fissures? In general terms, fissures are long, narrow cracks or openings in the earth Earth fissures are associated with land subsidence that accompanies extensive ground water pumping Earth fissures may be more than a mile in length, up to 15 feet wide, and hundreds of feet deep
  • Earth Fissures in Arizona - ArcGIS StoryMaps
    Earth fissures are cracks that appear in desert basin areas where ground subsidence, aquifer depletion, alluvial soils, and monsoon rains combine Fissure openings can be sudden, dynamic events, with the potential threat to life for humans and livestock, as well as extensive and irreparable property damage
  • US Southwest Riddled With Mile-Long Cracks Due to Pumping . . .
    Giant, mile-long cracks in the ground are turning up across the Southwestern US because Americans have pumped too much groundwater there
  • Arizona Geological Survey releases revised earth fissure maps . . .
    AZGS continues to map, monitor, and inform the public regarding earth fissures in south-central and southeastern Arizona Six freshly revised earth fissure maps are now available for parts of Maricopa, Pinal, and Cochise Counties A single new earth fissure map for just east of the Picacho Mountains in Pinal County was issued
  • Surface Rupture and Fissuring (GH0311) | UNDRR
    Surface ruptures and fissures are generally limited to the area near the causative fault’s intersection with the Earth’s surface (Styron, 2019) Drivers of ground fissuring also include land sliding, ground spreading or cambering, for example, related to groundwater extraction or induced by mining or karst subsidence
  • Geologic Hazards: What You Need to Know About Earth Fissures
    Overuse of our groundwater resources has resulted in an ever prevalent problem of Earth fissures As a property owner or potential buyer of land, there are several things you need to know about these large cracks in the ground in order for you to make an informed decision


















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