I heard 3 booms, and thought something was wrong with the house. But my son in another house miles away heard the same booms. No news about them.
Update: This was heard all over Southern Ontario, yet not a speck of news. Is everybody off for Christmas?
Update2: My only hope is for the seismometers and infrasound detector, but I can't raise anybody. Best guess is that Santa was running a little bit late. :)
Update3: I'm so frustrated in finding out anything. You know, this will be the same for any emergency, including the current ice storm, and future earthquakes. :(
Update4: The news media is guessing frost quakes. Fat chance!