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(Rockslide on Interstate 40, Haywood County, NC, October of 2009)
It seems there's been a rockslide or landslide in the news a lot lately... several here in East Tennessee and in Western North Carolina, including one just over the border in North Carolina that continues to block Interstate 40. We asked seismologist Bob Hatcher to help explain how these slides occur. Hatcher says that although there are often small earthquakes in our area, at magnitudes of three or less, they are not the cause of these slides... 