I see now that I was far too flippant about the Iranian cleric's charge that provocatively dressed women cause earthquakes. A young female scientist in Indiana took a more serious approach and performed an experiment on April 26 to test his thesis. Thousands of women, whom she organized via the internet, dressed 'immodestly' that day. She then compared earthquake activity for April 26 to the average since February 5.
No, I won't tell you the results - you have to click on the above link and find out for yourselves! (Thanks to Clemens.)