More earthquakes in north central Arkansas (UALR Public Radio) - Five more earthquakes of magnitude 2.5 to 2.9 rattled parts of north central Arkansas over the past 48 hours. And one expert thinks he may know why.

Dr. Haydar Al-Shukri of the Arkansas Earthquake Center at UALR says natural gas drilling in the Fayetteville Shale formation may be to blame.

Click above to listen to our full interview. © Copyright 2009, UALR Public Radio