This grid can be used for reference, explaining tectonic features of Iceland.
Having a closer look at Reykjanes Peninsula:
Reykjanes Peninsula and the SW part of Iceland
The Icelandic Met Office
The division lines of layer 2 and 4 between 120-410 km below the surface cross the earhquake swarm from SE to NW. A volcanic system and a seismic zone are also found within the area.
I have a BS degree in geology and provide this website about my analysis of convection rolls in the Earth's mantle and how they affect the surface.
View all posts by Steingrimur Thorbjarnarson
Magic Magma 