lightning by the
ATDnet system during (a) Grímsvötn 2004,
(
b) Eyjafjallajökull 2010 and (
c) Grímsvötn 2011. A
blue circle is at the vent location.
11
Figure 5. A map view, North (km)
vs. East (km), of Grímsvötn 2011 lightning for the
first 30 min (123 lightning), 1 hour (
888), 3 hours (3340) and 24 hours (16041). The
actual eruption site is marked with a
black circle
/media/vedurstofan/utgafa/skyrslur/2013/VI_2013_006.pdf