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  2. How dangerous are sinkholes? What to know amid search for ...

    www.aol.com/news/dangerous-sinkholes-know-amid...

    Sinkholes can range in size from a few feet wide to hundreds of acres, and anywhere from 1 to 100 feet or more deep. Sinkholes can swallow up cars, parts of roads and even houses.

  3. Flood forecasting - Wikipedia

    en.wikipedia.org/wiki/Flood_forecasting

    In this context, flood forecasting models are designed to predict when the water level or discharge will surpass a predefined threshold, usually based on historical data and established risk levels. On the other hand, more comprehensive flood forecasting methods involve predicting the flood extent by utilizing hydrodynamic information from models.

  4. Sinkhole opens up between homes in retirement community

    www.aol.com/news/2014-04-24-sinkhole-opens-up...

    The sinkhole was about 65 feet wide and and 75 feet deep. Crews have now filled the hole with dirt and plan on monitoring it to see if it grows any more. WJXT notes sinkholes have become a regular ...

  5. Sinkhole - Wikipedia

    en.wikipedia.org/wiki/Sinkhole

    The Red Lake sinkhole in Croatia. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water enters into underground passages known as ponor, swallow hole or swallet.

  6. Scientists just discovered cold, dark sinkholes in Lake ...

    www.aol.com/scientists-just-discovered-cold-dark...

    Whether it’s on land or on the lake bottom, sinkholes form when water dissolves rock, causing the surface layer to collapse and form a hole. Lake Michigan sits on a layer of limestone bedrock.

  7. Depression (geology) - Wikipedia

    en.wikipedia.org/wiki/Depression_(geology)

    A watering hole is a natural depression where water collects and animals come to drink. Karst closed depression with permanent lake Stymfalia, Peloponnese, Greece. Seasonal abundant precipitation drained by 3 sinkholes. In geology, a depression is a landform sunken or depressed below the surrounding area. Depressions form by various mechanisms.

  8. Cedar Sink - Wikipedia

    en.wikipedia.org/wiki/Cedar_Sink

    Cedar Sink is a vertical-walled large depression or sinkhole in the ground, located in Edmonson County, Kentucky and contained within and managed by Mammoth Cave National Park. The sinkhole measures 300 feet (91.4 m) from the top sandstone plateau to the bottom of the sink and was caused by collapse of the surface soil.

  9. Lakeland sinkhole off Scott Lake Road 'active but stable ...

    www.aol.com/weather/lakeland-sinkhole-off-scott...

    The sinkhole opened Friday near the site of another sinkhole in June, on land being developed. It has been monitored by Polk County. Lakeland sinkhole off Scott Lake Road 'active but stable ...