The Reykjanes peninsula in southwest Iceland was quiet for 800 years, but it’s awake now. The third eruption there in as many years has begun. I’m suspending my “no YouTube” rule this once to post this video of the eruption’s beginning. For more information, check the recent posts and comments at Volcano Café.
Update: See also here.
Update IIb: This eruption is over, but there’ll be more soon.
Update III: The Greatest Show on Earth: