No one knows what the cause is but the FAA has been saying that it wasn't a plane. What's interesting is that the residents from there say they heard what sounded like a commercial plane just before the explosion... Some are now saying that it may have been a gas line.
www.sfgate.com
(visit the link for the full news article)
edit on 9/9/2010 by mistafaz because: (no reason given)



