Seismic security

If You Think You're Safe From Earthquakes, You May Be Wrong

More than 143 million Americans live in an earthquake zone, a new analysis shows, though many of them may be surprised to learn that dangerous shaking is possible in the places where they live. These people face at least some risk of a damaging earthquake by the year 2065, the U.S. Geological Survey reports—almost twice as many as the 75 million cited in a similar study in 2006.