1. Pacific Gas & Electric, San Francisco, CA, USA
2. University of California, Berkeley, CA, USA
3. U.S. Geological Survey, Menlo Park, CA, USA
4. University of California, Los Angeles, CA, USA
5. University of Southern California, Los Angeles, CA, USA
6. Father, Woodside, CA
7. Khalifa University of Science and Technology, Abu Dhabi, UAE
8. National Observatory of Athens, Athens, Greece
9. The University of Texas, Austin, TX, USA
10. Pacific Engineering & Analysis, El Cerrito, CA, USA
11. U.S. Geological Survey, Golden, CO, USA
12. Geosyntec Consultants, Inc., Oakland, CA, USA