/tags/geology geology en-US Copyright Wed, 08 Feb 2017 18:50:02 GMT /show/the-jefferson-exchange/2017-02-08/the-beauty-of-earth-that-moves We can be wary of the earthquake potential of the Cascadia Subduction Zone and still appreciate what it's done for the landscape. The meeting of tectonic… Wed, 08 Feb 2017 18:50:02 GMT /show/the-jefferson-exchange/2017-02-08/the-beauty-of-earth-that-moves Geoffrey Riley /show/the-jefferson-exchange/2016-03-09/mapping-where-the-earth-tends-to-slide Don't get excited by the term "SLIDO," it is NOT one of those little hamburgers (that's a slider). SLIDO is the Statewide Landslide Information Layer for… Wed, 09 Mar 2016 18:55:55 GMT /show/the-jefferson-exchange/2016-03-09/mapping-where-the-earth-tends-to-slide Geoffrey Riley /show/the-jefferson-exchange/2014-04-29/tracking-landslides-better-in-oregon The recent landslide in Washington pointed up a basic fact about geology: land that has slid tends to slide again. The state of Oregon is taking notice,… Tue, 29 Apr 2014 17:10:20 GMT /show/the-jefferson-exchange/2014-04-29/tracking-landslides-better-in-oregon Geoffrey Riley