1. 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia, Canada
2. 2Onur Seemann Consulting, Inc., Victoria, British Columbia, Canada
3. 3Pacific Geoscience Centre, Geological Survey of Canada, Natural Resources Canada, Sidney, British Columbia, Canada
4. 4Department of Geoscience, University of Calgary, Calgary, Alberta, Canada
5. 5Departamento de Obras Civiles, Universidad Católica del Maule, Talca, Chile
6. 6Departamento de Geofísica, Universidad de Chile, Santiago, Chile
7. 7Institute of Geosciences, University of Potsdam, Potsdam, Germany