In Oops, by Arthur Geisert, a piglet spills his milk, a small incident that leads to one calamitous event after another. (booklistonline.com)
This one is his take on the disaster film, based on an actual near calamitous event. (awardscircuit.com)
We must neither interpret the goodness of God to mean that life will be fair nor that the innocent will not suffer nor that calamitous events will not occur. (religion-online.org)