at the CGPS station Grimsvotn
(GFUM) in the first hours of the eruption. GFUM is located 5 km east
of the eruption site. In the first four hours the site moved ~ 20
cm in
the north direction, 15
cm towards west and subsided 10
cm. The
deformation rate has since slowed down, with the total displacement in
the first two days of the eruption about 50
cm to the northwest, with 25
cm
/media/jar/Grimsvotn_status_2011-05-23_IES_IMO.pdf