1. Nordic Volcanological Center Institute of Earth Sciences University of Iceland Reykjavik Iceland
2. Iceland Geosurvey ÍSOR Reykjavik Iceland
3. Icelandic Meteorological Office Reykjavík Iceland
4. Geophysical Institute and Dept. of Geosciences University of Alaska Fairbanks Fairbanks AK USA
5. School of Earth and Environment COMET University of Leeds England UK
6. GNS Science Lower Hutt New Zealand