A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, lava spews from long fissures and geysers spurt superheated water. Frequent earthquakes strike along the rift. Beneath the rift, magmaâmolten rockârises from the mantle.
Steubenville, OH. Sponsored Topics. Steubenville is a city located along the Ohio River in Jefferson County, Ohio on the Ohio-West Virginia border in the United States. It is the political county seat of Jefferson County and is sometimes considered part of the Pittsburgh Tri-State area, unofficially as a suburb.
Public Library of Steubenville and Jefferson County Original primary records on microfilm, includes births, deaths, marriages, early deeds, Naturalizations, Newspapers of Jefferson County, Ohio, etc.