In 2011 I was living near DC and sitting on my bed. Suddenly the wall facing me started to shudder intensely as well as the bed for about 15 seconds. First I thought it was a big truck or an explosion, but no boom. Then a few minutes later the earthquake in Mineral, VA was reported. As a child I used to live near a fairly large lake perhaps 5 city blocks cubed. With a hard freeze on a still night we would get glass smooth black ice. A few days later we would skate when the ice was thick enough. Sometimes there would be a pressure crack go across the whole lake, ka-boom. Very loud and unnerving. I think caused by ice expanding above the water with no place to go. When we would skate it would change the pressure somewhere and the crack would be caused. I don’t know if anyone reporting such a crack sound here lives near a lake. It only ever happened with black ice.
Frost quakes or ice quakes are pretty interesting, and just uncommon enough that they can throw ya off a bit when they happen... I could have sworn there was a recent article about loud booms from those in Minn or Wisc, but a search turned up nothin’ recent. Michigan is so wet (how wet is it?) it’s so wet that I think we gain about 18 inches of elevation during the winter as the wet ground freezes at depth.
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