Some earthquake questions answered

Seems pretty interesting to me. I like some of the questions the topics that are discussed. Pretty relavent article. I know I am not the only one wondering why so many earthquakes all of a sudden.

msnbc.msn.com...

What's going on here? Nothing out of the ordinary, according to David Simpson of the Incorporated Research Institutions for Seismology. Despite the recent preponderance of terrestrial trembling, the current level of earthquake activity is business as usual, he says. Simpson spoke with NEWSWEEK's Brian Braiker about earthquakes, why we seem to have been hearing so much about them recently and when we might expect the next big one to hit the continental U.S. Excerpts: