Tag Archives: dgs

What happens when the water rises?

Q&A with DGS officials provides insight into sea level rise

Societal concerns about climate change, severe weather and rising seas are raising questions about readiness across the globe. Extreme weather events this year such as Hurricanes Harvey, Irma and Maria underscore the need to be prepared. (more…)

Read More

Ancient water

Delaware Geological Survey carbon-dates groundwater found to be thousands of years old

A drop of rain that falls near Middletown, Del., may take as long as 14,000 years to seep through the earth and trickle underground into a well several miles away, according to new research by the Delaware Geological Survey (DGS). 

Scientists used radiocarbon-dating techniques to determine the age of groundwater from sites in southern New Castle and Kent counties.  (more…)

Read More

Finding Faults

Delaware Geological Survey discovers evidence of past earthquakes

Delaware Geological Survey (DGS) scientists have uncovered hard proof of faults in northern Delaware, indicating the occurrence of earthquakes millions of years ago.

The geologic evidence turned up in sediment samples removed during a well-drilling project this summer from depths ranging 137 to 251 feet down in Smyrna and the Woodland Beach Wildlife Area.

“People have postulated that there are faults in this area,” DGS Senior Scientist Scott Andres said. “Now we have evidence of it.” (more…)

Read More