Improved Constraints on the Eruptive History of Northern Harrat Rahat Volcanic Field, Kingdom of Saudi Arabia

Mark E Stelten1, Drew Tyler Downs1, Andrew T Calvert2, David R Sherrod3, Khalid H. Hassan4, Fawaz A. Muquyyim5 and Mahmod S. Ashur4, (1)USGS Volcano Science Center Menlo Park, Menlo Park, United States, (2)USGS, Menlo Park, CA, United States, (3)USGS Alaska Science Center, Anchorage, AK, United States, (4)Saudi Geological Survey, Jeddah, Saudi Arabia, (5)Saudi Geological Survey, Al-Madinah, Saudi Arabia