Which was an idea used to dispute the theory of plate tectonics?

Who were the kelvin-rus? describe who influenced them.

Why did ohio and michigan have such conflict over their state boundaries

Almost 98% of earthquakes occur at the boundary of a tectonic plates when they slide against one another. despite this, indiana still has seismic zones that experience increased seismic activity. this is particularly heavy in the wabash valley fault zone in the southwest corner of the state. how do you explain how seismic activity is felt in this area?