Lava-Cooling Operations During the 1973 Eruption of Eldfell Volcano,
Heimaey, Vestmannaeyjar, Iceland
U.S. Geological Survey Open-File Report 97-724


Figure 23.

Map showing movement of the new lavas during a five-week period, from 25 March to 30 April. Movement was determined by ground photogrammetry (tracking fixed markers with a theodelite) or aerial photogrammetry (measuring the movement of fixed markers on successive, stereoscopic vertical aerial photographs). fyrrverandi strönd = former coastline.

Click on figure to zoom in.