NEW : Sunday 's quake is the strongest since 1976 , the state geological society says . NEW : Nearly 800 minor quakes have shaken the area since September . NEW : It caused minor damage but no injuries . Comment:
NEW : Sunday 's quake is the strongest since 1976 , the state geological society says . NEW : Nearly 800 minor quakes have shaken the area since September . NEW : It caused minor damage but no injuries . The quake was centered 37 miles from Little Rock , Arkansas .