Sue says…

From the article:

1. Earth has been more seismologically active in the past 15 years or so, says Stephen S. Gao, a geophysicist at Missouri University of Science & Technology. Not all seismologist agree, however.

http://www.livescience.com/6187-13-crazy-earthquake-facts.html?li_source=LI&li_medium=more-from-livescience&li_campaign=related-test