Did you know, tree rings are how scientists discovered the history of the Cascadia fault and earthquakes in the Pacific Northwest?” Learn the tales that tree rings tell, from climate and cultural history to earthquakes and volcanic eruptions, it’s all part of the science of Dendrochronology! Click HERE For information and to RSVP for the ARCS Foundation Phoenix field trip on February 22, 2016 to the University of Arizona Laboratory of Tree Ring Research featuring distinguished ARCS alumnus, Dr. Don Falk.