Global news Marcus Li AFRICA, ALLIANCE, CANADA, EARTHQUAKE, EARTHQUAKES, GEORGETOWN, GUYANA, KENTUCKY, MA, MAHONING COUNTY, MAPLE RIDGE, MICHIGAN TECH, NATURAL DISASTER, NATURAL DISASTERS, NORTH AMERICA, OHIO, SHALLOW EARTHQUAKE, SOUTH AFRICA, SOUTH AMERICA, SOUTHERN OHIO, STARK COUNTY, U. S. GEOLOGICAL SURVEY, UNITED STATES, VIRGINIA Understanding the Frequency of Earthquakes in Ohio
