It could be any number of things....Bottling a beer too early, overpriming, a gusher infection, a too high temp shift, and/or a simple flaw in the bottle.
I've had a couple beers blow and they were always isolated incidents.
There's no way to tell with yours (we're not brewing psychics

) if it's an isolated incidence or they are all going to blow...it is really race unless you made a huge mistake and overprimed your beer to have them all go off like firecrackers.
Relax....