In case anyone is still interested, here are the Reykjanes volcano cameras I know of that are streaming on Youtube:
https://www.youtube.com/watch?v=7-RhgB1INII
https://www.youtube.com/watch?v=BA-9QzIcr3c
https://www.youtube.com/watch?v=XTumPu8dxcA
https://www.youtube.com/watch?v=XwN-u4Ccygs
https://www.youtube.com/watch?v=I1I-0PUhFmU (picture and sound)