Two types of seismicity accompanying hydraulic fracturing in Harrison County, Ohio - implications for seismic hazard and seismogenic mechanism

Maria Kozlowska1, Mike R Brudzinski2, Paul A Friberg3, Robert Skoumal4, Nicholas D. Baxter1 and Brian Currie5, (1)Miami University Oxford, Oxford, OH, United States, (2)Miami University (OH), Department of Geology and Environmental Earth Science, Oxford, United States, (3)Instrumental Software Technologies, Inc., Saratoga Springs, United States, (4)U.S. Geological Survey, Earthquake Science Center, Moffett Field, United States, (5)Miami University Oxford, Oxford, United States