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Earthquakes are sudden slips along a geological fault and the resulting ground shaking and radiated seismic energy caused by the slip or by volcanic activity or other sudden stress changes in the earth.
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Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Edwin J. Jones, Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; M. Ray McKinnie, Administrator, 1890 Extension Program, Virginia State University, Petersburg.
May 8, 2020