More than a dozen areas in the United States have been shaken in recent years by small earthquakes triggered by oil and gas drilling, a government report released Thursday found.
About 5,500 more people could survive a major tsunami hitting the U.S. if they just walk a little faster to higher ground after roads are knocked out, a new study shows.
Some places that rarely have earthquakes are having them now, and officials have linked some of them to fracking or related activities.
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.