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Subsidence - Wikipedia

en.wikipedia.org/wiki/Subsidence

Subsidence is the motion of a surface (usually, the Earth's surface) as it shifts downward relative to a datum such as sea-level. The opposite of subsidence is uplift, which results in an increa...

Land subsidence, USGS Water Science School

water.usgs.gov/edu/earthgwlandsubside.html

Land subsidence and relation to withdrawals of groundwater, from the USGS Water Science School.

USGS Groundwater Information: Land Subsidence

water.usgs.gov/ogw/subsidence.html

2 days ago ... Land subsidence is a gradual settling or sudden sinking of the Earth's surface owing to subsurface movement of earth materials. Subsidence is ...

Land Subsidence - Arkansas Geological Survey

www.geology.ar.gov/geohazards/landsubsidence.htm

Land subsidence is defined as the lowering of the land surface. Many different factors can cause the land surface to subside. Subsidence can occur rapidly due  ...

What is natural ground subsidence? - Groundsure

www.groundsure.com/subsidence/

Subsidence refers to the upward, lateral or downward movement of the ground that can be caused by a range of natural geological hazards.

What is subsidence? - NOAA's National Ocean Service

oceanservice.noaa.gov/facts/subsidence.html

Jul 2, 2015 ... Subsidence—sinking of the ground because of underground material movement —is most often caused by the removal of water, oil, natural gas ...

land subsidence - California Department of Water Resources

www.water.ca.gov/groundwater/docs/WhatIsLandSubsidence.pdf

Allan Fulton1 , in cooperation with the California Department of Water Resources, Northern Region, Groundwater Section2. LAND SUBSIDENCE - WHAT IS IT ...

Santa Clara Valley Land Subsidence

explore.museumca.org/creeks/z-subsidence.html

Only through extensive groundwater recharge has land subsidence been curtailed. Groundwater Abundance Flanked by mountains on either side, the Santa ...

Land Subsidence - Water Education Foundation

www.watereducation.org/aquapedia/land-subsidence

Land subsidence is the lowering of the land-surface elevation due to changes that take place underground. Throughout California, subsidence has damaged ...

Land Subsidence In Arizona - Arizona Department of Water Resources

www.azwater.gov/AzDWR/Hydrology/Geophysics/LandSubsidenceInArizona.htm

May 20, 2016 ... The Arizona Department of Water Resources has been collecting and processing InSAR data since 2002 to monitor land subsidence ...

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Causes & Effects of Land Subsidence | USGS California Water ...

ca.water.usgs.gov

Jun 29, 2016 ... Land subsidence—the loss of surface elevation due to removal of subsurface support—occurs in nearly every state in the United States.

Ground Subsidence | Colorado Geological Survey

coloradogeologicalsurvey.org

Subsidence is the sinking or settling of the ground surface. It can occur by a number of methods. Ground subsidence can result from the settlement of native low ...

Earthquake Induced Land Subsidence - Arkansas Geological Survey

www.geology.ar.gov

Information on earthquake induced land subsidence in Arkansas.