1. Swiss Seismological Service; ETH Zurich; Sonneggstrasse 5 CH-8092 Zurich Switzerland
2. School of Geography, Environment and Earth Sciences; Victoria University of Wellington; PO Box 600 Wellington 6140 New Zealand
3. GNS Science; PO Box 30-368 Lower Hutt New Zealand
4. School of Environment; University of Auckland; Private Bag 92019 Auckland New Zealand
5. Antarctic Research Centre; Victoria University of Wellington; PO Box 600 Wellington 6140 New Zealand
6. National Institute of Water and Atmospheric Research; PO Box 11115 Hamilton New Zealand
7. School of Mechanical Engineering; The University of Adelaide; SA 5005 Australia