using data from six recent
Icelandic eruptions: Hekla 2000, Eyjafjallajökull 2010, Fagradalsfjall 2021, and Grímsvötn
1998, 2004, and 2011. For tuning, data for these eruptions had to be converted from IMO’s old
in-house RSAM data format to the new Tremv csv format. In addition to developing the
ALERT module, this project
involved several updates to the original Tremv program.
Figure 2
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