tremor

  • April 12, 2012  

    Though the impact of Wednesday’s 5.9-magnitude earthquake off Oregon’s coast was minimal, a lesser-known risk of temblors — a phenomenon called liquefaction where sandy soil turns to liquid and loses its ability to support weight — has some scientists worried. Tom Bearden reports what’s being done to prepare for a major quake. Continue reading

  • April 18, 2008  

    The Midwest awoke to a forceful magnitude 5.2 earthquake early Friday morning. The earthquake, centered in southern Illinois, damaged property but no injuries were reported. Ray Suarez talks to an expert about the rare Midwest quake. Continue reading