McCafferty said Arkansas' geology mapping needs to be updated. "We flew our first survey back in 1945 and since then, have conducted geophysical surveys over the entire country," she said.

2 Arkansas geologists venture far afield in search of formations, faults. April 8, 2018 at 4:30 a.m. by Emily Walkenhorst ...

Bulletin 3: Geology of the Arkansas Paleozoic Area, with especial reference to Oil and Gas Possibilities. Carey Croneis Pp. xx + 457 + 45 plates. (Little Rock, Ark.: Arkansas Geological Survey, 1930.) ...

A much wider area of Arkansas is at risk for increased earthquake activity than originally believed, according to a new U.S. Geological Survey seismic hazards map that highlights where temblors ...

The U.S. Geological Survey (USGS) will be conducting low-level flights over parts of Arkansas for nearly a year starting this month. The low-level flights will occur in Benton, Carroll, Madison ...

Earthquakes in the Natural State happen more often than one might think. "We have about 500 a year believe it or not. They're real small," said Martha Kopper with the Arkansas Geological Survey.

The U.S. Geological Survey is using airplanes to survey the ground in parts of western Arkansas. Planes leaving from the airport in Branson will be scanning the soil in Arkansas using sensors ...

Two low-flying Piper Navajo airplanes are scheduled to begin crisscrossing north Arkansas this week measuring variations in the Earth's natural magnetic field, as well as soil and rock chemistry ...