Estimating Earthquake Risk in Northeast Ohio
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Abstract
Other than isolated cases such as Charleston, South Carolina in 1886 and New Madrid in 1911-12, mid-continent earthquakes are not studied as much as plate boundary earthquakes. However, the Ohio Seismic Network monitors earthquakes in Ohio, and a high magnitude earthquake centered in the Northeast Ohio Seismic Zone could cause extensive damage. Maximum expected magnitude, expected depth, and site class for Ohio were studied and compared to results from the 1935 Timiskaming, Canada, 1989 Loma Prieta, California, 2009 L’Aquila, Italy, and 2010 Oaxaca, Mexico earthquakes. Based on the locations of greatest damage resulting from these earthquakes and the surficial geology in Ohio, the Northeast Ohio Seismic Zone is at a high risk area for earthquakes.