There were 11 earthquakes in eastern Ohio in 2011. Most of them were not very powerful and caused little damage, but some people are asking about emergency plans if a major quake hits the area.
The new phenomenon of earthquakes in eastern Ohio is puzzling many people.
Some geologists say that discarded brine used while drilling for natural gas is being injected near fault lines. It acts as a lubricant, inducing the earthquakes. Read More
