USING IGNEOUS PETROLOGY TO INFORM FORECASTS OF VOLCANIC ACTIVITY
COOMBS, Michelle, USGS, Alaska Volcano Observatory, 4230 University Drive Ste 100, Anchorage, AK 99501, LOEWEN, Matthew W., Dept of Geological Sciences, University of Oregon, Eugene, OR 97403-1272 and DIETTERICH, Hannah, Alaska Volcano Observatory, U.S. Geological Survey, 4230 University Dr., Suite 100, Anchorage, AK 99508