Sinkholes Tellus Border Earthquake - Geological Survey of Ireland

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Geology Matters: Summer 2013 Sinkholes: A Special Feature What is the likelihood of the ground opening up underneath me? Dr. Caoimhe Hickey, Hydrogeologist, Groundwater GSI Sinkhole in Guatelmala City, May 29th 2010. Luis Echeverria, US EPA Catastrophic events of buildings falling down into large collapse features, such as the recent sinkhole in Florida, are extremely rare. However, there have been reports of minor collapses of roads and fields in Ireland. These are found in karst areas prone to solution and many landowners fill these in on a regular basis. The Photo on page 17 is taken from a field in North Cork. The photograph shows a rescue of a cow that was trapped at the bottom of a cover collapse doline as it suddenly opened up from under her. There are estimated to be over 6,000 dolines in Ireland. The Geological Survey of Ireland host maps that can help you to determine if karst development in likely in your area. Firstly, the Bedrock Geology Map of Ireland (available in 1:100,000 scale) will show you if you live in a limestone area. There is also a karst landscape database, which will show you some of the recorded landforms in your area including dolines. These datasets are available for viewing on our interactive public viewer site http://spatial.dcenr.gov.ie/imf/ imf.jsp?site=Groundwater or for downloading at http://www. dcenr.gov.ie/Spatial+Data/ Geological+Survey+of+Ireland/ SI+Spatial+Data+Downloads. htm page 16
Geology Matters: Summer 2013 A rescue operation of a cow that ended up at the bottom of a sinkhole that opened up suddenly underneath her, North Cork. Source: O’Brien A cover collapse doline in Roscommon. page 17
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Sinkholes Tellus Border Earthquake - Geological Survey of Ireland

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