She has. Once. 17OCT1989, whilst visiting Loma Prieta, California. Look it up. :)
Right you are sir. I stand corrected.
I also came upon this while doing the research.
Upon the culmination of her descent while doing the jumping jack, a tremor registering 5.8 on the Richter scale was recorded. Rosie was banned from performing any more said jacks. {;-)
Hmm. Can I sue her for damage done to my Soquel home in that earthquake? :-)