1. Institute for Geophysics Jackson School of Geosciences University of Texas at Austin Austin TX USA
2. Department of Geosciences Jackson School of Geosciences University of Texas at Austin Austin TX USA
3. GNS Science Lower Hutt New Zealand
4. Research Institute for Marine Geodynamics Japan Agency for Marine‐Earth Science and Technology Yokohama Japan
5. Department of Earth Sciences University of Southern California Los Angeles CA USA