Oklahama earthquakes blamed on fracking

Some believe controversial oil and gas drilling procedure has caused surge in seismic activity in US state.

The US state of Oklahoma is famous for its tornadoes but that has not been the hot topic of discussion lately.

Many residents are concerned that the oil drilling method known as fracking is leading to a rise in earthquakes in the state.  

Al Jazeera’s Kimberly Halkett reports from Edmond, Oklahoma.

Source: Al Jazeera