I was playing Minecraft 1.6.2 survival mode (normal difficulty), and I built a house. Then I went far away to explore a cave. When I got back, part of my house had simply disappeared.
As you can see, a part of my house just vanished. There used to be walls and a roof, but not anymore.
The stranger thing is, the wooden floor just turned into a perfect square of dirt.
There also used to be a pond nearby, but part of the pond also turned into dirt. (as indicated by the redstone circuit.)
Fences are gone. My iron golem and a cat are nowhere to be found. The whole area encircled by the redstone simply turn into dirt.
I thought of a creeper explosion. Yes, I might have left the gate open, and yes a creeper might be able to sneak into the house, (if it managed to get pass my two cats). It seems unlikely that an explosion would occur. There is no hole on the ground, and the roof is gone too. I don't think the blast radius is that large. The house was fine when I left. Doesn't a creeper has to be near me to trigger an explosion?
I am really puzzled. Can somebody explain what happened? I would be very grateful.