Catalogue of Icelandic Volcanoes - Grain size distribution Data compiled by: Icelandic Met Office Date 28.10.2015 Contact: Dr Emmanuel Pagneux, e-mail:emmanuel@vedur.is sample name volcanic system eruption measurement method grain size (μm) grain size (phi) weight % distance from source (km) % of SiO2 mean grain size (μm) % <63 μm data source publication resource ID K-4 Katla Katla 1625 CE 1.0 interval 1024000 -10 0.00 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 512000 -9 0.00 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 256000 -8 0.00 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 124000 -7.0 0.00 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 63000 -6.0 0.00 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 32000 -5.0 0.00 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 16000 -4.0 0.00 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 8000 -3.0 0.47 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 4000 -2.0 4.16 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 2000 -1.0 9.14 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 1000 0.0 13.43 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 500 1.0 14.00 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 250 2.0 11.68 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 125 3.0 12.01 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 63 4.0 15.19 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 31 5.0 9.81 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 16 6.0 6.37 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 8 7.0 2.41 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 4 8.0 0.81 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 2 9.0 0.41 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 1 10.0 0.11 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 0 11.0 null 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 0 12.0 null 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 0.1 13.0 null 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a K-4 Katla Katla 1625 CE 1.0 interval 0.1 14.0 null 20.0 46.6 195.00 26.00 Institute of Earth Sciences, University of Iceland sch0000a