1. Department of Geosciences University of Massachusetts Amherst Amherst MA USA
2. Department of Geological Sciences Central Washington University Ellensburg WA USA
3. Department of Geosciences Virginia Polytechnic Institute and State University Blacksburg VA USA
4. Instituto de Geografía, Pontificia Universidad Católica de Valparaíso Valparaíso Chile
5. Department of Earth & Space Sciences University of Washington Seattle WA USA
6. Washington Geological Survey Washington State Department of Natural Resources Olympia WA USA
7. Earth Observatory of Singapore Nanyang Technological University Singapore
8. Instituto de Ciencias de la Tierra Universidad Austral de Chile Valdivia Chile
9. Geologic Hazards Science Center U.S. Geological Survey Golden CO USA