1,000 earthquakes hit Arizona in 3 years
Wednesday, August 15, 2012 - 16:30
in Earth & Climate
Arizona: the land of a thousand quakes? From 2006 through 2009, nearly 1,000 earthquakes rattled Arizona, showing the state is more seismically active than thought, according to a new study based on the readings of an array of seismometers installed by Arizona State University researchers.