Institution: | [1]International Centre for Geohazards, Norwegian Geotechnical Institute, NO-0806 Oslo, Norway. [2]Geological Survey of Denmark and Greenland, DK-1350 Copenhagen K, Denmark. [3]Geological Survey of Finland, FI-02151 Espoo, Finland. [4]Nordic Volcanological Centre, Institute of Earth Sciences, University of Iceland, 101 Reykjavfk, Iceland. [5]Geological Survey of Sweden, SE-751 28 Uppsala, Sweden. |