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Table 1 Sample and collection information for the volcanic ash samples analyzed in this study

From: Assessment of the potential respiratory hazard of volcanic ash from future Icelandic eruptions: a study of archived basaltic to rhyolitic ash samples

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