Yellowstone, Sinkhole Jarred By 7.5 Alaskan Earthquake | Earthquakes

I remember hearing awhile back that there's a theory amongst some vulcanologists theorize that the volcanoes are connected to each other. Perhaps this proves it. But where do the sinkholes fit in?

The first chart below shows the Alaska EQ in blue and Yellowstone’s reaction to it in red. Purple shows the overlap.