What in the hell! All of that caused by a ruptured sewage line? It must have been eroding away for at least 20 years and the city was built on sand.
Holy cow!! That is huge! Notice though they do not show more downward angles... I kind of want to see what the bottom looks like...
That's freaky. I'm not a geologist, but that hole looks too structured to have happened by accident. Will someone call the Men-In-Black, please?
http://www.gearthblog.com/blog/archives/2007/02/guatemala_city_sinkh.html They have a link so you can see the actual location. I couldn't open it here at work, dinosaur of a computer.