1. U.S. Geological Survey Golden Colorado USA
2. U.S. Geological Survey‐Emeritus Golden Colorado USA
3. Olig Seismic Geology, Inc. Martinez California USA
4. Formerly at URS Corporation, Seismic Hazards Group Oakland California USA
5. Utah Geological Survey Salt Lake City Utah USA
6. Utah Geological Survey‐Emeritus Cedar City Utah USA
7. U.S. Geological Survey Menlo Park California USA