The range of 60-70 decibels sound pressure level is about as loud as normal conversation in 1 meter distance.
Flammable, Radioactive Sinkholes. Lesser known in the mainstream media, however, is frackingâs link to massive sinkholes appearing overnight and leaking radiation across the nation.
However, faults also exist in South Texas, an area currently experiencing a fracking boom with thousands of wastewater wells, yet is reporting little to no seismic activity, Frohlich said. Also, the Bakken Shale in North Dakota is in the midst of an oil boom thanks to hydraulic fracturing â yet no earthquakes.