Our potholes are bigger than your potholes (Minnesota).

A nearby resident heard the noise about noon, and went out to investigate. The authorities got there in time to prevent any mishaps.

We've had 3 times more rain than usual for the month of May.

   There's a culvert under the road that had developed a leak and the water sucked all the soil down stream causing a cavity which then collapsed.
  My daughter lives just a mile away and took the top photo, I took the bottom photo.