Here’s an interactive panorama of the little new Icelandic volcano. It’s best in the full-screen view.
Can you walk on lava? Sometimes:
You can walk on some lava flows, after the surface has cooled enough. Apparently, while doing so you can feel the lava flow underneath you, and can be rising while it piles up. Your extremely sturdy shoes will still melt – don’t be tardy. On a lava flow like this, the surface is liquid enough for you to loose your balance. You won’t sink (lava is dense) so your body might still be retrievable.
Update: Here’s a 3-D model you can play with.