Table 1 Sample and collection information for the volcanic ash samples analyzed in this study
Sample | Volcano/system | Eruption year | Collection date | Collection location | Type of activity |
|---|---|---|---|---|---|
Askja-55d | Dyngjufjöll/Askja | 1875 | -- | North rim of Öskjuvatn | phreatoplinian |
Askja-56a | Dyngjufjöll/Askja | 1875 | -- | North rim of Öskjuvatn | phreatoplinian |
Askja-59b | Dyngjufjöll/Askja | 1875 | -- | North rim of Öskjuvatn | phreatoplinian |
Hekla-4 | Hekla/Hekla | 4.2 ka BP | 23/07/1993 | 30 km NE of top crater | phreatoplinian |
Hekla-1158 | Hekla/Hekla | 1158 | 29/10/1990 | 28 km NE of top crater | Plinian |
Hekla-1980 | Hekla/Hekla | 1980 | 17/08/1980 | 145 km NNE of top crater | Plinian |
Katla-1755 | Mýrdalsjökull/Katla | 1755 | 26/10/1997 | ~30 km E of caldera center | phreatomagmatic |
Laki-SnV | Lakagígar/Grímsvötn | 1783 | 15/08/1983 | Eystrisker ~2 km NW of Hverfjall 1 vent | phreatomagmatic |
Laki-SnVII | Lakagígar/Grímsvötn | 1783 | 18/08/1983 | Rootless cone tephra | phreatomagmatic |
Orae-s13 | Öræfajökull/Öræfajökull | 1362 | 18/08/1993 | 11 km SSE of top crater | Plinian |
Orae-s1 | Öræfajökull/Öræfajökull | 1362 | 18/08/1993 | 11 km SSE of top crater | Plinian or surge deposit |
Reyk-1227 | Karl/Yngri Stampar/Reykjanes | 1227 | 15/03/1984 | -- | phreatomagmatic |
Snae-1 | Snæfellsjökull | ~200 | 20/09/1992 | 3.5 km E of top crater | Plinian |
Veid-1477 | Veðivötn fissure/Bárðarbunga | 1477 | 10/07/1976 | ~200 km NE of source | phreatomagmatic |