distance between group centres
DL Dalvík lineament
EVZ Eastern volcanic zone
fps fault plane solution
GL Grímsey lineament
GPS Global Positioning System
HFF Húsavík-Flatey fault
HM Hreppar micro-plate
InSAR Interferometric Synthetic Aperture Radar
J17 the 17 June large Holt earthquake
J21 the 21 June large Hestvatn earthquake
KR Kolbeinsey Ridge
max48 maximum group size of 48 events
NVZ
/media/vedurstofan/utgafa/skyrslur/2010/2010_003rs.pdf
-
ern cauldron in the lower left corner, the eastern cauldron near the center and Grímsvötn is
distinctly visible in the right side of the photograph. A depression over the subglacial flood
path from the eastern cauldron can be seen stretching southwest from the cauldron. The next
jökulhlaup from the western cauldron was the following summer so it can be assumed close
to full on the photograph. Bottom
/media/vedurstofan/utgafa/skyrslur/2009/VI_2009_006_tt.pdf