1. Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, New York, U.S.A.
2. Department of Earth and Planetary Sciences, University of California, Berkeley, Berkeley, California, U.S.A.
3. Jackson School of Geoscience, The University of Texas at Austin, Austin, Texas, U.S.A.
4. Department of Earth and Environmental Sciences, Boston College, Chestnut Hill, Massachusetts, U.S.A.
5. Department of Earth and Planetary Sciences, University of California, Santa Cruz, Santa Cruz, California, U.S.A.
6. Department of Earth and Environmental Sciences, Tulane University, New Orleans, Louisiana, U.S.A.
7. Department of Earth and Environmental Sciences, Michigan State University, East Lansing, Michigan, U.S.A.
8. GNS Science, Lower Hut, New Zealand
9. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, U.S.A.
10. Department of Earth and Planetary Sciences, Northwestern University, Evanston, Illinois, U.S.A.
11. Department of Geophysics, Stanford University, Stanford, California, U.S.A.
12. U.S. Geological Survey, Moffett Field, California, U.S.A.
13. U.S. Geological Survey, Pasadena, California, U.S.A.
14. Departamento de Geofísica, Universidad de Chile, Santiago, Chile
15. Department of Earth and Environmental Sciences, Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York, U.S.A.
16. Lawrence Livermore National Laboratory, Livermore, California, U.S.A.
17. School of Oceanography, University of Washington, Seattle, Washington, U.S.A.
18. Department of Ocean Engineering, University of Rhode Island, Narragansett, Rhode Island, U.S.A.