POTD February 14, 2014: Bear River, Rich County, Utah

Would you be our Valentine? You geo friends really rock!

Bear River, Rich County, Utah
Photographer: Chris DuRoss; © 2011

This sand boil (eruption of liquefied sand) resulted from ground shaking during the 2010 magnitude 4.5 Randolph earthquake, which is one of the smallest earthquakes recorded to generate liquefaction. Bear River, Rich County.