Revision History for USGS Circular 1351 By the Yellowstone Volcano Observatory Protocols for Geologic Hazards Response by the Yellowstone Volcano Observatory ----------------------------------------------------- Posted online July 29, 2010 ----------------------------------------------------- Revised and reposted November 2014, version 2.0 Organizational changes to both the observatory and to some of the member institutions are accounted for. YVO Member Agencies (formerly YVO partners) have expanded to include signatories to the 2012 Memorandum of Understanding. UNAVCO, the state geological surveys of Montana, Idaho and Wyoming, and the University of Wyoming were added to the previous group of partners, the U.S. Geological Survey, Yellowstone National Park, and the University of Utah. The Support Group has been eliminated from the YVO structure, as logistics are outside the responsibility of YVO. Discussions of the YVO Advisory Board and Coordinating Scientists have been removed. Figures 2, 4, 5, and 6 have been updated to reflect changes in the organization structure of YVO and the Incident Command System. -----------------------------------------------------