According to the magnetic measurements the area of the buried lava flow is 64 km 2 and the volume of this buried lava is 1.4 + /-0.3 km 3.
Samkvæmt segulmælingunum er flatarmál hraunsins undir Mýrdalssandi 64 km 2 og rúmmálið 1.4 + /-0.3 km 3.