Hydraulic fracturing linked to 400 earthquakes in Ohio, study

Hydraulic fracturing linked to 400 earthquakes in Ohio, study

Hydraulic fracturing triggered a series of small earthquakes in 2013 on a previously unmapped fault in Harrison County, Ohio, according to a study published in the journal Seismological Research Letters (SRL) on October 14, 2014. Nearly 400 small earthquakes occurred be